Home / 125,548.08-188,323.48-88,166.78

Finding the Fourth Proportional to 125,548.08, 188,323.48 and 88,166.78

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Solution

The fourth proportional to 125,548.08, 188,323.48 and 88,166.78 is: 132,251.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,548.08 : 188,323.48 = 88,166.78 : x
  2. Step 2: Convert to fraction form
    125,548.08/188,323.48 = 88,166.78/x
  3. Step 3: Cross multiply
    125,548.08x = 188,323.48 × 88,166.78
  4. Step 4: Simplify right side
    125,548.08x = 16,603,874,704.80
  5. Step 5: Solve for x
    x = 16,603,874,704.80/125,548.08
  6. Step 6: Final answer
    x = 132,251.13

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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.