Home / 159,031.40-238,575.90-79,946.60

Finding the Fourth Proportional to 159,031.40, 238,575.90 and 79,946.60

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Solution

The fourth proportional to 159,031.40, 238,575.90 and 79,946.60 is: 119,934.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,031.40 : 238,575.90 = 79,946.60 : x
  2. Step 2: Convert to fraction form
    159,031.40/238,575.90 = 79,946.60/x
  3. Step 3: Cross multiply
    159,031.40x = 238,575.90 × 79,946.60
  4. Step 4: Simplify right side
    159,031.40x = 19,073,332,046.94
  5. Step 5: Solve for x
    x = 19,073,332,046.94/159,031.40
  6. Step 6: Final answer
    x = 119,934.38

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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.