Home / 120,425.28-166,179.76-65,966.62

Finding the Fourth Proportional to 120,425.28, 166,179.76 and 65,966.62

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Solution

The fourth proportional to 120,425.28, 166,179.76 and 65,966.62 is: 91,030.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,425.28 : 166,179.76 = 65,966.62 : x
  2. Step 2: Convert to fraction form
    120,425.28/166,179.76 = 65,966.62/x
  3. Step 3: Cross multiply
    120,425.28x = 166,179.76 × 65,966.62
  4. Step 4: Simplify right side
    120,425.28x = 10,962,317,079.61
  5. Step 5: Solve for x
    x = 10,962,317,079.61/120,425.28
  6. Step 6: Final answer
    x = 91,030.03

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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.