Home / 168,877.51-253,316.06-80,082.57

Finding the Fourth Proportional to 168,877.51, 253,316.06 and 80,082.57

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Solution

The fourth proportional to 168,877.51, 253,316.06 and 80,082.57 is: 120,123.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,877.51 : 253,316.06 = 80,082.57 : x
  2. Step 2: Convert to fraction form
    168,877.51/253,316.06 = 80,082.57/x
  3. Step 3: Cross multiply
    168,877.51x = 253,316.06 × 80,082.57
  4. Step 4: Simplify right side
    168,877.51x = 20,286,201,956.91
  5. Step 5: Solve for x
    x = 20,286,201,956.91/168,877.51
  6. Step 6: Final answer
    x = 120,123.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.