Home / 140,177.67-193,438.42-79,742.62

Finding the Fourth Proportional to 140,177.67, 193,438.42 and 79,742.62

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Solution

The fourth proportional to 140,177.67, 193,438.42 and 79,742.62 is: 110,040.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,177.67 : 193,438.42 = 79,742.62 : x
  2. Step 2: Convert to fraction form
    140,177.67/193,438.42 = 79,742.62/x
  3. Step 3: Cross multiply
    140,177.67x = 193,438.42 × 79,742.62
  4. Step 4: Simplify right side
    140,177.67x = 15,425,286,020.75
  5. Step 5: Solve for x
    x = 15,425,286,020.75/140,177.67
  6. Step 6: Final answer
    x = 110,040.97

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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.