Home / 166,612.92-229,925.13-90,131.83

Finding the Fourth Proportional to 166,612.92, 229,925.13 and 90,131.83

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Solution

The fourth proportional to 166,612.92, 229,925.13 and 90,131.83 is: 124,381.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,612.92 : 229,925.13 = 90,131.83 : x
  2. Step 2: Convert to fraction form
    166,612.92/229,925.13 = 90,131.83/x
  3. Step 3: Cross multiply
    166,612.92x = 229,925.13 × 90,131.83
  4. Step 4: Simplify right side
    166,612.92x = 20,723,572,729.89
  5. Step 5: Solve for x
    x = 20,723,572,729.89/166,612.92
  6. Step 6: Final answer
    x = 124,381.55

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1.5x scale

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.