Home / 161,658.18-223,079.47-89,046.86

Finding the Fourth Proportional to 161,658.18, 223,079.47 and 89,046.86

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Solution

The fourth proportional to 161,658.18, 223,079.47 and 89,046.86 is: 122,879.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,658.18 : 223,079.47 = 89,046.86 : x
  2. Step 2: Convert to fraction form
    161,658.18/223,079.47 = 89,046.86/x
  3. Step 3: Cross multiply
    161,658.18x = 223,079.47 × 89,046.86
  4. Step 4: Simplify right side
    161,658.18x = 19,864,524,995.95
  5. Step 5: Solve for x
    x = 19,864,524,995.95/161,658.18
  6. Step 6: Final answer
    x = 122,879.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.