Home / 132,524.24-182,823.23-78,778.72

Finding the Fourth Proportional to 132,524.24, 182,823.23 and 78,778.72

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Solution

The fourth proportional to 132,524.24, 182,823.23 and 78,778.72 is: 108,678.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,524.24 : 182,823.23 = 78,778.72 : x
  2. Step 2: Convert to fraction form
    132,524.24/182,823.23 = 78,778.72/x
  3. Step 3: Cross multiply
    132,524.24x = 182,823.23 × 78,778.72
  4. Step 4: Simplify right side
    132,524.24x = 14,402,578,737.66
  5. Step 5: Solve for x
    x = 14,402,578,737.66/132,524.24
  6. Step 6: Final answer
    x = 108,678.83

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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.