Home / 159,353.09-239,002.90-47,031.20

Finding the Fourth Proportional to 159,353.09, 239,002.90 and 47,031.20

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Solution

The fourth proportional to 159,353.09, 239,002.90 and 47,031.20 is: 70,538.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,353.09 : 239,002.90 = 47,031.20 : x
  2. Step 2: Convert to fraction form
    159,353.09/239,002.90 = 47,031.20/x
  3. Step 3: Cross multiply
    159,353.09x = 239,002.90 × 47,031.20
  4. Step 4: Simplify right side
    159,353.09x = 11,240,591,877.89
  5. Step 5: Solve for x
    x = 11,240,591,877.89/159,353.09
  6. Step 6: Final answer
    x = 70,538.90

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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.