Home / 124,170.28-186,257.20-35,423.79

Finding the Fourth Proportional to 124,170.28, 186,257.20 and 35,423.79

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Solution

The fourth proportional to 124,170.28, 186,257.20 and 35,423.79 is: 53,136.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,170.28 : 186,257.20 = 35,423.79 : x
  2. Step 2: Convert to fraction form
    124,170.28/186,257.20 = 35,423.79/x
  3. Step 3: Cross multiply
    124,170.28x = 186,257.20 × 35,423.79
  4. Step 4: Simplify right side
    124,170.28x = 6,597,935,938.79
  5. Step 5: Solve for x
    x = 6,597,935,938.79/124,170.28
  6. Step 6: Final answer
    x = 53,136.19

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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.