Home / 125,133.91-187,699.29-30,364.88

Finding the Fourth Proportional to 125,133.91, 187,699.29 and 30,364.88

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Solution

The fourth proportional to 125,133.91, 187,699.29 and 30,364.88 is: 45,546.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,133.91 : 187,699.29 = 30,364.88 : x
  2. Step 2: Convert to fraction form
    125,133.91/187,699.29 = 30,364.88/x
  3. Step 3: Cross multiply
    125,133.91x = 187,699.29 × 30,364.88
  4. Step 4: Simplify right side
    125,133.91x = 5,699,465,407.27
  5. Step 5: Solve for x
    x = 5,699,465,407.27/125,133.91
  6. Step 6: Final answer
    x = 45,546.93

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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.