Home / 125,134.76-187,700.55-30,365.72

Finding the Fourth Proportional to 125,134.76, 187,700.55 and 30,365.72

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Solution

The fourth proportional to 125,134.76, 187,700.55 and 30,365.72 is: 45,548.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,134.76 : 187,700.55 = 30,365.72 : x
  2. Step 2: Convert to fraction form
    125,134.76/187,700.55 = 30,365.72/x
  3. Step 3: Cross multiply
    125,134.76x = 187,700.55 × 30,365.72
  4. Step 4: Simplify right side
    125,134.76x = 5,699,662,082.05
  5. Step 5: Solve for x
    x = 5,699,662,082.05/125,134.76
  6. Step 6: Final answer
    x = 45,548.19

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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.