Home / 132,523.70-182,822.27-78,778.17

Finding the Fourth Proportional to 132,523.70, 182,822.27 and 78,778.17

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Solution

The fourth proportional to 132,523.70, 182,822.27 and 78,778.17 is: 108,677.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,523.70 : 182,822.27 = 78,778.17 : x
  2. Step 2: Convert to fraction form
    132,523.70/182,822.27 = 78,778.17/x
  3. Step 3: Cross multiply
    132,523.70x = 182,822.27 × 78,778.17
  4. Step 4: Simplify right side
    132,523.70x = 14,402,403,471.96
  5. Step 5: Solve for x
    x = 14,402,403,471.96/132,523.70
  6. Step 6: Final answer
    x = 108,677.95

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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.