Home / 72,187.32-108,175.27-40,658.83

Finding the Fourth Proportional to 72,187.32, 108,175.27 and 40,658.83

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Solution

The fourth proportional to 72,187.32, 108,175.27 and 40,658.83 is: 60,928.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,187.32 : 108,175.27 = 40,658.83 : x
  2. Step 2: Convert to fraction form
    72,187.32/108,175.27 = 40,658.83/x
  3. Step 3: Cross multiply
    72,187.32x = 108,175.27 × 40,658.83
  4. Step 4: Simplify right side
    72,187.32x = 4,398,279,913.13
  5. Step 5: Solve for x
    x = 4,398,279,913.13/72,187.32
  6. Step 6: Final answer
    x = 60,928.70

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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.