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Finding the Fourth Proportional to 101,458.32, 152,088.54 and 42,310.92

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Solution

The fourth proportional to 101,458.32, 152,088.54 and 42,310.92 is: 63,425.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,458.32 : 152,088.54 = 42,310.92 : x
  2. Step 2: Convert to fraction form
    101,458.32/152,088.54 = 42,310.92/x
  3. Step 3: Cross multiply
    101,458.32x = 152,088.54 × 42,310.92
  4. Step 4: Simplify right side
    101,458.32x = 6,435,006,048.86
  5. Step 5: Solve for x
    x = 6,435,006,048.86/101,458.32
  6. Step 6: Final answer
    x = 63,425.12

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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.