Home / 159,537.90-239,306.85-75,270.36

Finding the Fourth Proportional to 159,537.90, 239,306.85 and 75,270.36

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Solution

The fourth proportional to 159,537.90, 239,306.85 and 75,270.36 is: 112,905.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,537.90 : 239,306.85 = 75,270.36 : x
  2. Step 2: Convert to fraction form
    159,537.90/239,306.85 = 75,270.36/x
  3. Step 3: Cross multiply
    159,537.90x = 239,306.85 × 75,270.36
  4. Step 4: Simplify right side
    159,537.90x = 18,012,712,749.97
  5. Step 5: Solve for x
    x = 18,012,712,749.97/159,537.90
  6. Step 6: Final answer
    x = 112,905.54

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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.