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Finding the Fourth Proportional to 112,552, 155,326.64 and 62,251.04

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Solution

The fourth proportional to 112,552, 155,326.64 and 62,251.04 is: 85,909.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,552 : 155,326.64 = 62,251.04 : x
  2. Step 2: Convert to fraction form
    112,552/155,326.64 = 62,251.04/x
  3. Step 3: Cross multiply
    112,552x = 155,326.64 × 62,251.04
  4. Step 4: Simplify right side
    112,552x = 9,669,244,879.71
  5. Step 5: Solve for x
    x = 9,669,244,879.71/112,552
  6. Step 6: Final answer
    x = 85,909.13

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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.