Home / 108,718.16-150,047.46-66,301.30

Finding the Fourth Proportional to 108,718.16, 150,047.46 and 66,301.30

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Solution

The fourth proportional to 108,718.16, 150,047.46 and 66,301.30 is: 91,505.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,718.16 : 150,047.46 = 66,301.30 : x
  2. Step 2: Convert to fraction form
    108,718.16/150,047.46 = 66,301.30/x
  3. Step 3: Cross multiply
    108,718.16x = 150,047.46 × 66,301.30
  4. Step 4: Simplify right side
    108,718.16x = 9,948,340,909.46
  5. Step 5: Solve for x
    x = 9,948,340,909.46/108,718.16
  6. Step 6: Final answer
    x = 91,505.79

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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.