Home / 159,391.79-239,031.87-47,042.26

Finding the Fourth Proportional to 159,391.79, 239,031.87 and 47,042.26

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Solution

The fourth proportional to 159,391.79, 239,031.87 and 47,042.26 is: 70,546.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,391.79 : 239,031.87 = 47,042.26 : x
  2. Step 2: Convert to fraction form
    159,391.79/239,031.87 = 47,042.26/x
  3. Step 3: Cross multiply
    159,391.79x = 239,031.87 × 47,042.26
  4. Step 4: Simplify right side
    159,391.79x = 11,244,598,779.25
  5. Step 5: Solve for x
    x = 11,244,598,779.25/159,391.79
  6. Step 6: Final answer
    x = 70,546.91

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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.