Home / 132,553.20-182,923.34-72,123.78

Finding the Fourth Proportional to 132,553.20, 182,923.34 and 72,123.78

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Solution

The fourth proportional to 132,553.20, 182,923.34 and 72,123.78 is: 99,530.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,553.20 : 182,923.34 = 72,123.78 : x
  2. Step 2: Convert to fraction form
    132,553.20/182,923.34 = 72,123.78/x
  3. Step 3: Cross multiply
    132,553.20x = 182,923.34 × 72,123.78
  4. Step 4: Simplify right side
    132,553.20x = 13,193,122,370.41
  5. Step 5: Solve for x
    x = 13,193,122,370.41/132,553.20
  6. Step 6: Final answer
    x = 99,530.77

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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.