Home / 218,121.08-301,010.58-120,008.48

Finding the Fourth Proportional to 218,121.08, 301,010.58 and 120,008.48

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Solution

The fourth proportional to 218,121.08, 301,010.58 and 120,008.48 is: 165,613.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,121.08 : 301,010.58 = 120,008.48 : x
  2. Step 2: Convert to fraction form
    218,121.08/301,010.58 = 120,008.48/x
  3. Step 3: Cross multiply
    218,121.08x = 301,010.58 × 120,008.48
  4. Step 4: Simplify right side
    218,121.08x = 36,123,822,169.72
  5. Step 5: Solve for x
    x = 36,123,822,169.72/218,121.08
  6. Step 6: Final answer
    x = 165,613.62

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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.