Home / 108,176.18-149,273.25-60,422.90

Finding the Fourth Proportional to 108,176.18, 149,273.25 and 60,422.90

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Solution

The fourth proportional to 108,176.18, 149,273.25 and 60,422.90 is: 83,378.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,176.18 : 149,273.25 = 60,422.90 : x
  2. Step 2: Convert to fraction form
    108,176.18/149,273.25 = 60,422.90/x
  3. Step 3: Cross multiply
    108,176.18x = 149,273.25 × 60,422.90
  4. Step 4: Simplify right side
    108,176.18x = 9,019,522,657.43
  5. Step 5: Solve for x
    x = 9,019,522,657.43/108,176.18
  6. Step 6: Final answer
    x = 83,378.08

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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.