Home / 159,723.27-239,398.61-120,153.15

Finding the Fourth Proportional to 159,723.27, 239,398.61 and 120,153.15

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Solution

The fourth proportional to 159,723.27, 239,398.61 and 120,153.15 is: 180,089.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,723.27 : 239,398.61 = 120,153.15 : x
  2. Step 2: Convert to fraction form
    159,723.27/239,398.61 = 120,153.15/x
  3. Step 3: Cross multiply
    159,723.27x = 239,398.61 × 120,153.15
  4. Step 4: Simplify right side
    159,723.27x = 28,764,496,496.36
  5. Step 5: Solve for x
    x = 28,764,496,496.36/159,723.27
  6. Step 6: Final answer
    x = 180,089.58

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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.