Home / 132,011.92-182,176.84-78,323.52

Finding the Fourth Proportional to 132,011.92, 182,176.84 and 78,323.52

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Solution

The fourth proportional to 132,011.92, 182,176.84 and 78,323.52 is: 108,086.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,011.92 : 182,176.84 = 78,323.52 : x
  2. Step 2: Convert to fraction form
    132,011.92/182,176.84 = 78,323.52/x
  3. Step 3: Cross multiply
    132,011.92x = 182,176.84 × 78,323.52
  4. Step 4: Simplify right side
    132,011.92x = 14,268,731,371.28
  5. Step 5: Solve for x
    x = 14,268,731,371.28/132,011.92
  6. Step 6: Final answer
    x = 108,086.69

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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.