Home / 125,767.52-188,595.91-66,589.34

Finding the Fourth Proportional to 125,767.52, 188,595.91 and 66,589.34

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Solution

The fourth proportional to 125,767.52, 188,595.91 and 66,589.34 is: 99,854.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,767.52 : 188,595.91 = 66,589.34 : x
  2. Step 2: Convert to fraction form
    125,767.52/188,595.91 = 66,589.34/x
  3. Step 3: Cross multiply
    125,767.52x = 188,595.91 × 66,589.34
  4. Step 4: Simplify right side
    125,767.52x = 12,558,477,478.62
  5. Step 5: Solve for x
    x = 12,558,477,478.62/125,767.52
  6. Step 6: Final answer
    x = 99,854.70

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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.