Home / 113,321.25-156,386.76-62,331.36

Finding the Fourth Proportional to 113,321.25, 156,386.76 and 62,331.36

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Solution

The fourth proportional to 113,321.25, 156,386.76 and 62,331.36 is: 86,019.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,321.25 : 156,386.76 = 62,331.36 : x
  2. Step 2: Convert to fraction form
    113,321.25/156,386.76 = 62,331.36/x
  3. Step 3: Cross multiply
    113,321.25x = 156,386.76 × 62,331.36
  4. Step 4: Simplify right side
    113,321.25x = 9,747,799,436.79
  5. Step 5: Solve for x
    x = 9,747,799,436.79/113,321.25
  6. Step 6: Final answer
    x = 86,019.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.