Home / 120,348.08-166,082.10-69,332.66

Finding the Fourth Proportional to 120,348.08, 166,082.10 and 69,332.66

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Solution

The fourth proportional to 120,348.08, 166,082.10 and 69,332.66 is: 95,680.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,348.08 : 166,082.10 = 69,332.66 : x
  2. Step 2: Convert to fraction form
    120,348.08/166,082.10 = 69,332.66/x
  3. Step 3: Cross multiply
    120,348.08x = 166,082.10 × 69,332.66
  4. Step 4: Simplify right side
    120,348.08x = 11,514,913,771.39
  5. Step 5: Solve for x
    x = 11,514,913,771.39/120,348.08
  6. Step 6: Final answer
    x = 95,680.08

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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.