Home / 125,375.81-188,063.07-30,606.50

Finding the Fourth Proportional to 125,375.81, 188,063.07 and 30,606.50

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Solution

The fourth proportional to 125,375.81, 188,063.07 and 30,606.50 is: 45,909.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,375.81 : 188,063.07 = 30,606.50 : x
  2. Step 2: Convert to fraction form
    125,375.81/188,063.07 = 30,606.50/x
  3. Step 3: Cross multiply
    125,375.81x = 188,063.07 × 30,606.50
  4. Step 4: Simplify right side
    125,375.81x = 5,755,951,411.64
  5. Step 5: Solve for x
    x = 5,755,951,411.64/125,375.81
  6. Step 6: Final answer
    x = 45,909.59

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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.