Home / 631,395.39-947,092.26-158,080.70

Finding the Fourth Proportional to 631,395.39, 947,092.26 and 158,080.70

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Solution

The fourth proportional to 631,395.39, 947,092.26 and 158,080.70 is: 237,120.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,395.39 : 947,092.26 = 158,080.70 : x
  2. Step 2: Convert to fraction form
    631,395.39/947,092.26 = 158,080.70/x
  3. Step 3: Cross multiply
    631,395.39x = 947,092.26 × 158,080.70
  4. Step 4: Simplify right side
    631,395.39x = 149,717,007,425.38
  5. Step 5: Solve for x
    x = 149,717,007,425.38/631,395.39
  6. Step 6: Final answer
    x = 237,120.84

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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.