Home / 166,160.34-229,301.20-90,708.84

Finding the Fourth Proportional to 166,160.34, 229,301.20 and 90,708.84

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Solution

The fourth proportional to 166,160.34, 229,301.20 and 90,708.84 is: 125,178.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,160.34 : 229,301.20 = 90,708.84 : x
  2. Step 2: Convert to fraction form
    166,160.34/229,301.20 = 90,708.84/x
  3. Step 3: Cross multiply
    166,160.34x = 229,301.20 × 90,708.84
  4. Step 4: Simplify right side
    166,160.34x = 20,799,645,862.61
  5. Step 5: Solve for x
    x = 20,799,645,862.61/166,160.34
  6. Step 6: Final answer
    x = 125,178.16

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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.