Home / 125,153.28-187,757.76-54,076.80

Finding the Fourth Proportional to 125,153.28, 187,757.76 and 54,076.80

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Solution

The fourth proportional to 125,153.28, 187,757.76 and 54,076.80 is: 81,127.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,153.28 : 187,757.76 = 54,076.80 : x
  2. Step 2: Convert to fraction form
    125,153.28/187,757.76 = 54,076.80/x
  3. Step 3: Cross multiply
    125,153.28x = 187,757.76 × 54,076.80
  4. Step 4: Simplify right side
    125,153.28x = 10,153,338,835.97
  5. Step 5: Solve for x
    x = 10,153,338,835.97/125,153.28
  6. Step 6: Final answer
    x = 81,127.23

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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.