Home / 125,170.34-187,550.24-53,065.64

Finding the Fourth Proportional to 125,170.34, 187,550.24 and 53,065.64

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Solution

The fourth proportional to 125,170.34, 187,550.24 and 53,065.64 is: 79,511.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,170.34 : 187,550.24 = 53,065.64 : x
  2. Step 2: Convert to fraction form
    125,170.34/187,550.24 = 53,065.64/x
  3. Step 3: Cross multiply
    125,170.34x = 187,550.24 × 53,065.64
  4. Step 4: Simplify right side
    125,170.34x = 9,952,472,626.46
  5. Step 5: Solve for x
    x = 9,952,472,626.46/125,170.34
  6. Step 6: Final answer
    x = 79,511.43

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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.