Home / 159,282.24-239,070.96-80,451.72

Finding the Fourth Proportional to 159,282.24, 239,070.96 and 80,451.72

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Solution

The fourth proportional to 159,282.24, 239,070.96 and 80,451.72 is: 120,752.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,282.24 : 239,070.96 = 80,451.72 : x
  2. Step 2: Convert to fraction form
    159,282.24/239,070.96 = 80,451.72/x
  3. Step 3: Cross multiply
    159,282.24x = 239,070.96 × 80,451.72
  4. Step 4: Simplify right side
    159,282.24x = 19,233,669,934.05
  5. Step 5: Solve for x
    x = 19,233,669,934.05/159,282.24
  6. Step 6: Final answer
    x = 120,752.13

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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.