Home / 121,003.20-166,983.52-67,293.12

Finding the Fourth Proportional to 121,003.20, 166,983.52 and 67,293.12

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Solution

The fourth proportional to 121,003.20, 166,983.52 and 67,293.12 is: 92,864.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,003.20 : 166,983.52 = 67,293.12 : x
  2. Step 2: Convert to fraction form
    121,003.20/166,983.52 = 67,293.12/x
  3. Step 3: Cross multiply
    121,003.20x = 166,983.52 × 67,293.12
  4. Step 4: Simplify right side
    121,003.20x = 11,236,842,049.38
  5. Step 5: Solve for x
    x = 11,236,842,049.38/121,003.20
  6. Step 6: Final answer
    x = 92,864.01

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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.