Home / 125,934.30-188,836.65-47,007.90

Finding the Fourth Proportional to 125,934.30, 188,836.65 and 47,007.90

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Solution

The fourth proportional to 125,934.30, 188,836.65 and 47,007.90 is: 70,487.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,934.30 : 188,836.65 = 47,007.90 : x
  2. Step 2: Convert to fraction form
    125,934.30/188,836.65 = 47,007.90/x
  3. Step 3: Cross multiply
    125,934.30x = 188,836.65 × 47,007.90
  4. Step 4: Simplify right side
    125,934.30x = 8,876,814,359.54
  5. Step 5: Solve for x
    x = 8,876,814,359.54/125,934.30
  6. Step 6: Final answer
    x = 70,487.66

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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.