Home / 628,068.71-942,103.56-154,754.12

Finding the Fourth Proportional to 628,068.71, 942,103.56 and 154,754.12

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Solution

The fourth proportional to 628,068.71, 942,103.56 and 154,754.12 is: 232,131.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,068.71 : 942,103.56 = 154,754.12 : x
  2. Step 2: Convert to fraction form
    628,068.71/942,103.56 = 154,754.12/x
  3. Step 3: Cross multiply
    628,068.71x = 942,103.56 × 154,754.12
  4. Step 4: Simplify right side
    628,068.71x = 145,794,403,246.48
  5. Step 5: Solve for x
    x = 145,794,403,246.48/628,068.71
  6. Step 6: Final answer
    x = 232,131.30

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Similar ratio
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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.