Home / 159,500.40-239,284.92-79,581.34

Finding the Fourth Proportional to 159,500.40, 239,284.92 and 79,581.34

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Solution

The fourth proportional to 159,500.40, 239,284.92 and 79,581.34 is: 119,389.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,500.40 : 239,284.92 = 79,581.34 : x
  2. Step 2: Convert to fraction form
    159,500.40/239,284.92 = 79,581.34/x
  3. Step 3: Cross multiply
    159,500.40x = 239,284.92 × 79,581.34
  4. Step 4: Simplify right side
    159,500.40x = 19,042,614,575.39
  5. Step 5: Solve for x
    x = 19,042,614,575.39/159,500.40
  6. Step 6: Final answer
    x = 119,389.13

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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.