Home / 125,180.45-187,770.82-31,686.20

Finding the Fourth Proportional to 125,180.45, 187,770.82 and 31,686.20

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Solution

The fourth proportional to 125,180.45, 187,770.82 and 31,686.20 is: 47,529.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,180.45 : 187,770.82 = 31,686.20 : x
  2. Step 2: Convert to fraction form
    125,180.45/187,770.82 = 31,686.20/x
  3. Step 3: Cross multiply
    125,180.45x = 187,770.82 × 31,686.20
  4. Step 4: Simplify right side
    125,180.45x = 5,949,744,146.90
  5. Step 5: Solve for x
    x = 5,949,744,146.90/125,180.45
  6. Step 6: Final answer
    x = 47,529.34

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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.