Home / 132,604.20-182,997.66-72,178.74

Finding the Fourth Proportional to 132,604.20, 182,997.66 and 72,178.74

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Solution

The fourth proportional to 132,604.20, 182,997.66 and 72,178.74 is: 99,608.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,604.20 : 182,997.66 = 72,178.74 : x
  2. Step 2: Convert to fraction form
    132,604.20/182,997.66 = 72,178.74/x
  3. Step 3: Cross multiply
    132,604.20x = 182,997.66 × 72,178.74
  4. Step 4: Simplify right side
    132,604.20x = 13,208,540,521.75
  5. Step 5: Solve for x
    x = 13,208,540,521.75/132,604.20
  6. Step 6: Final answer
    x = 99,608.76

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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.