Home / 125,151.27-187,751.40-55,030.38

Finding the Fourth Proportional to 125,151.27, 187,751.40 and 55,030.38

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Solution

The fourth proportional to 125,151.27, 187,751.40 and 55,030.38 is: 82,556.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,151.27 : 187,751.40 = 55,030.38 : x
  2. Step 2: Convert to fraction form
    125,151.27/187,751.40 = 55,030.38/x
  3. Step 3: Cross multiply
    125,151.27x = 187,751.40 × 55,030.38
  4. Step 4: Simplify right side
    125,151.27x = 10,332,029,948.78
  5. Step 5: Solve for x
    x = 10,332,029,948.78/125,151.27
  6. Step 6: Final answer
    x = 82,556.34

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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.