Home / 146,781.10-202,541.88-86,371.30

Finding the Fourth Proportional to 146,781.10, 202,541.88 and 86,371.30

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Solution

The fourth proportional to 146,781.10, 202,541.88 and 86,371.30 is: 119,182.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,781.10 : 202,541.88 = 86,371.30 : x
  2. Step 2: Convert to fraction form
    146,781.10/202,541.88 = 86,371.30/x
  3. Step 3: Cross multiply
    146,781.10x = 202,541.88 × 86,371.30
  4. Step 4: Simplify right side
    146,781.10x = 17,493,805,480.04
  5. Step 5: Solve for x
    x = 17,493,805,480.04/146,781.10
  6. Step 6: Final answer
    x = 119,182.96

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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.