Home / 132,308.40-182,601.32-78,593.70

Finding the Fourth Proportional to 132,308.40, 182,601.32 and 78,593.70

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Solution

The fourth proportional to 132,308.40, 182,601.32 and 78,593.70 is: 108,468.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,308.40 : 182,601.32 = 78,593.70 : x
  2. Step 2: Convert to fraction form
    132,308.40/182,601.32 = 78,593.70/x
  3. Step 3: Cross multiply
    132,308.40x = 182,601.32 × 78,593.70
  4. Step 4: Simplify right side
    132,308.40x = 14,351,312,970.72
  5. Step 5: Solve for x
    x = 14,351,312,970.72/132,308.40
  6. Step 6: Final answer
    x = 108,468.65

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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.