Home / 120,347.27-166,080.98-69,331.85

Finding the Fourth Proportional to 120,347.27, 166,080.98 and 69,331.85

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Solution

The fourth proportional to 120,347.27, 166,080.98 and 69,331.85 is: 95,678.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,347.27 : 166,080.98 = 69,331.85 : x
  2. Step 2: Convert to fraction form
    120,347.27/166,080.98 = 69,331.85/x
  3. Step 3: Cross multiply
    120,347.27x = 166,080.98 × 69,331.85
  4. Step 4: Simplify right side
    120,347.27x = 11,514,701,593.21
  5. Step 5: Solve for x
    x = 11,514,701,593.21/120,347.27
  6. Step 6: Final answer
    x = 95,678.96

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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.