Home / 125,414.04-188,126.82-31,920.60

Finding the Fourth Proportional to 125,414.04, 188,126.82 and 31,920.60

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Solution

The fourth proportional to 125,414.04, 188,126.82 and 31,920.60 is: 47,882.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,414.04 : 188,126.82 = 31,920.60 : x
  2. Step 2: Convert to fraction form
    125,414.04/188,126.82 = 31,920.60/x
  3. Step 3: Cross multiply
    125,414.04x = 188,126.82 × 31,920.60
  4. Step 4: Simplify right side
    125,414.04x = 6,005,120,970.49
  5. Step 5: Solve for x
    x = 6,005,120,970.49/125,414.04
  6. Step 6: Final answer
    x = 47,882.37

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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.