Home / 631,393.89-947,090.01-158,079.20

Finding the Fourth Proportional to 631,393.89, 947,090.01 and 158,079.20

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Solution

The fourth proportional to 631,393.89, 947,090.01 and 158,079.20 is: 237,118.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,393.89 : 947,090.01 = 158,079.20 : x
  2. Step 2: Convert to fraction form
    631,393.89/947,090.01 = 158,079.20/x
  3. Step 3: Cross multiply
    631,393.89x = 947,090.01 × 158,079.20
  4. Step 4: Simplify right side
    631,393.89x = 149,715,226,373.34
  5. Step 5: Solve for x
    x = 149,715,226,373.34/631,393.89
  6. Step 6: Final answer
    x = 237,118.59

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.