Home / 121,587.87-182,257.10-46,687.85

Finding the Fourth Proportional to 121,587.87, 182,257.10 and 46,687.85

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Solution

The fourth proportional to 121,587.87, 182,257.10 and 46,687.85 is: 69,983.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,587.87 : 182,257.10 = 46,687.85 : x
  2. Step 2: Convert to fraction form
    121,587.87/182,257.10 = 46,687.85/x
  3. Step 3: Cross multiply
    121,587.87x = 182,257.10 × 46,687.85
  4. Step 4: Simplify right side
    121,587.87x = 8,509,192,146.24
  5. Step 5: Solve for x
    x = 8,509,192,146.24/121,587.87
  6. Step 6: Final answer
    x = 69,983.89

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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.