Home / 125,282.27-187,834.12-58,686.07

Finding the Fourth Proportional to 125,282.27, 187,834.12 and 58,686.07

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Solution

The fourth proportional to 125,282.27, 187,834.12 and 58,686.07 is: 87,987.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,282.27 : 187,834.12 = 58,686.07 : x
  2. Step 2: Convert to fraction form
    125,282.27/187,834.12 = 58,686.07/x
  3. Step 3: Cross multiply
    125,282.27x = 187,834.12 × 58,686.07
  4. Step 4: Simplify right side
    125,282.27x = 11,023,246,314.71
  5. Step 5: Solve for x
    x = 11,023,246,314.71/125,282.27
  6. Step 6: Final answer
    x = 87,987.28

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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.