Home / 124,938.40-187,472.40-54,824.80

Finding the Fourth Proportional to 124,938.40, 187,472.40 and 54,824.80

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Solution

The fourth proportional to 124,938.40, 187,472.40 and 54,824.80 is: 82,265.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,938.40 : 187,472.40 = 54,824.80 : x
  2. Step 2: Convert to fraction form
    124,938.40/187,472.40 = 54,824.80/x
  3. Step 3: Cross multiply
    124,938.40x = 187,472.40 × 54,824.80
  4. Step 4: Simplify right side
    124,938.40x = 10,278,136,835.52
  5. Step 5: Solve for x
    x = 10,278,136,835.52/124,938.40
  6. Step 6: Final answer
    x = 82,265.64

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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.