Home / 108,191.91-149,302.08-60,445.61

Finding the Fourth Proportional to 108,191.91, 149,302.08 and 60,445.61

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Solution

The fourth proportional to 108,191.91, 149,302.08 and 60,445.61 is: 83,413.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,191.91 : 149,302.08 = 60,445.61 : x
  2. Step 2: Convert to fraction form
    108,191.91/149,302.08 = 60,445.61/x
  3. Step 3: Cross multiply
    108,191.91x = 149,302.08 × 60,445.61
  4. Step 4: Simplify right side
    108,191.91x = 9,024,655,673.12
  5. Step 5: Solve for x
    x = 9,024,655,673.12/108,191.91
  6. Step 6: Final answer
    x = 83,413.41

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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.