Home / 159,474.85-239,129.22-75,212.39

Finding the Fourth Proportional to 159,474.85, 239,129.22 and 75,212.39

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Solution

The fourth proportional to 159,474.85, 239,129.22 and 75,212.39 is: 112,779.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,474.85 : 239,129.22 = 75,212.39 : x
  2. Step 2: Convert to fraction form
    159,474.85/239,129.22 = 75,212.39/x
  3. Step 3: Cross multiply
    159,474.85x = 239,129.22 × 75,212.39
  4. Step 4: Simplify right side
    159,474.85x = 17,985,478,583.33
  5. Step 5: Solve for x
    x = 17,985,478,583.33/159,474.85
  6. Step 6: Final answer
    x = 112,779.40

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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.