Home / 166,065.16-229,168.02-90,614.92

Finding the Fourth Proportional to 166,065.16, 229,168.02 and 90,614.92

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Solution

The fourth proportional to 166,065.16, 229,168.02 and 90,614.92 is: 125,047.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,065.16 : 229,168.02 = 90,614.92 : x
  2. Step 2: Convert to fraction form
    166,065.16/229,168.02 = 90,614.92/x
  3. Step 3: Cross multiply
    166,065.16x = 229,168.02 × 90,614.92
  4. Step 4: Simplify right side
    166,065.16x = 20,766,041,798.86
  5. Step 5: Solve for x
    x = 20,766,041,798.86/166,065.16
  6. Step 6: Final answer
    x = 125,047.55

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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.