Home / 125,011.53-187,517.30-54,891.45

Finding the Fourth Proportional to 125,011.53, 187,517.30 and 54,891.45

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Solution

The fourth proportional to 125,011.53, 187,517.30 and 54,891.45 is: 82,337.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,011.53 : 187,517.30 = 54,891.45 : x
  2. Step 2: Convert to fraction form
    125,011.53/187,517.30 = 54,891.45/x
  3. Step 3: Cross multiply
    125,011.53x = 187,517.30 × 54,891.45
  4. Step 4: Simplify right side
    125,011.53x = 10,293,096,222.63
  5. Step 5: Solve for x
    x = 10,293,096,222.63/125,011.53
  6. Step 6: Final answer
    x = 82,337.18

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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.