Home / 141,161.13-194,613.84-120,931.38

Finding the Fourth Proportional to 141,161.13, 194,613.84 and 120,931.38

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Solution

The fourth proportional to 141,161.13, 194,613.84 and 120,931.38 is: 166,723.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,161.13 : 194,613.84 = 120,931.38 : x
  2. Step 2: Convert to fraction form
    141,161.13/194,613.84 = 120,931.38/x
  3. Step 3: Cross multiply
    141,161.13x = 194,613.84 × 120,931.38
  4. Step 4: Simplify right side
    141,161.13x = 23,534,920,238.30
  5. Step 5: Solve for x
    x = 23,534,920,238.30/141,161.13
  6. Step 6: Final answer
    x = 166,723.80

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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.