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Finding the Fourth Proportional to 60,152.50, 90,187.17 and 43,295.86

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Solution

The fourth proportional to 60,152.50, 90,187.17 and 43,295.86 is: 64,913.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,152.50 : 90,187.17 = 43,295.86 : x
  2. Step 2: Convert to fraction form
    60,152.50/90,187.17 = 43,295.86/x
  3. Step 3: Cross multiply
    60,152.50x = 90,187.17 × 43,295.86
  4. Step 4: Simplify right side
    60,152.50x = 3,904,731,086.12
  5. Step 5: Solve for x
    x = 3,904,731,086.12/60,152.50
  6. Step 6: Final answer
    x = 64,913.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.