Home / 159,319.68-239,127.35-80,489.27

Finding the Fourth Proportional to 159,319.68, 239,127.35 and 80,489.27

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Solution

The fourth proportional to 159,319.68, 239,127.35 and 80,489.27 is: 120,808.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,319.68 : 239,127.35 = 80,489.27 : x
  2. Step 2: Convert to fraction form
    159,319.68/239,127.35 = 80,489.27/x
  3. Step 3: Cross multiply
    159,319.68x = 239,127.35 × 80,489.27
  4. Step 4: Simplify right side
    159,319.68x = 19,247,184,240.45
  5. Step 5: Solve for x
    x = 19,247,184,240.45/159,319.68
  6. Step 6: Final answer
    x = 120,808.58

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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.