Home / 125,520.44-188,280.79-88,247.21

Finding the Fourth Proportional to 125,520.44, 188,280.79 and 88,247.21

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Solution

The fourth proportional to 125,520.44, 188,280.79 and 88,247.21 is: 132,370.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,520.44 : 188,280.79 = 88,247.21 : x
  2. Step 2: Convert to fraction form
    125,520.44/188,280.79 = 88,247.21/x
  3. Step 3: Cross multiply
    125,520.44x = 188,280.79 × 88,247.21
  4. Step 4: Simplify right side
    125,520.44x = 16,615,253,252.07
  5. Step 5: Solve for x
    x = 16,615,253,252.07/125,520.44
  6. Step 6: Final answer
    x = 132,370.90

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1.5x scale

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.