Home / 108,184.32-149,300.08-65,177.35

Finding the Fourth Proportional to 108,184.32, 149,300.08 and 65,177.35

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Solution

The fourth proportional to 108,184.32, 149,300.08 and 65,177.35 is: 89,948.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,184.32 : 149,300.08 = 65,177.35 : x
  2. Step 2: Convert to fraction form
    108,184.32/149,300.08 = 65,177.35/x
  3. Step 3: Cross multiply
    108,184.32x = 149,300.08 × 65,177.35
  4. Step 4: Simplify right side
    108,184.32x = 9,730,982,910.79
  5. Step 5: Solve for x
    x = 9,730,982,910.79/108,184.32
  6. Step 6: Final answer
    x = 89,948.18

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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.