Home / 161,660.22-242,490.82-56,479.20

Finding the Fourth Proportional to 161,660.22, 242,490.82 and 56,479.20

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Solution

The fourth proportional to 161,660.22, 242,490.82 and 56,479.20 is: 84,718.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,660.22 : 242,490.82 = 56,479.20 : x
  2. Step 2: Convert to fraction form
    161,660.22/242,490.82 = 56,479.20/x
  3. Step 3: Cross multiply
    161,660.22x = 242,490.82 × 56,479.20
  4. Step 4: Simplify right side
    161,660.22x = 13,695,687,520.94
  5. Step 5: Solve for x
    x = 13,695,687,520.94/161,660.22
  6. Step 6: Final answer
    x = 84,718.97

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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.