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Finding the Fourth Proportional to 108,301.92, 149,464.08 and 60,554.40

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Solution

The fourth proportional to 108,301.92, 149,464.08 and 60,554.40 is: 83,569.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,301.92 : 149,464.08 = 60,554.40 : x
  2. Step 2: Convert to fraction form
    108,301.92/149,464.08 = 60,554.40/x
  3. Step 3: Cross multiply
    108,301.92x = 149,464.08 × 60,554.40
  4. Step 4: Simplify right side
    108,301.92x = 9,050,707,685.95
  5. Step 5: Solve for x
    x = 9,050,707,685.95/108,301.92
  6. Step 6: Final answer
    x = 83,569.23

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1.5x scale

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.