Home / 132,369.18-182,655.52-78,646.89

Finding the Fourth Proportional to 132,369.18, 182,655.52 and 78,646.89

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Solution

The fourth proportional to 132,369.18, 182,655.52 and 78,646.89 is: 108,524.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,369.18 : 182,655.52 = 78,646.89 : x
  2. Step 2: Convert to fraction form
    132,369.18/182,655.52 = 78,646.89/x
  3. Step 3: Cross multiply
    132,369.18x = 182,655.52 × 78,646.89
  4. Step 4: Simplify right side
    132,369.18x = 14,365,288,589.33
  5. Step 5: Solve for x
    x = 14,365,288,589.33/132,369.18
  6. Step 6: Final answer
    x = 108,524.42

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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.