Home / 129,781.86-194,671.56-41,035.38

Finding the Fourth Proportional to 129,781.86, 194,671.56 and 41,035.38

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Solution

The fourth proportional to 129,781.86, 194,671.56 and 41,035.38 is: 61,552.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,781.86 : 194,671.56 = 41,035.38 : x
  2. Step 2: Convert to fraction form
    129,781.86/194,671.56 = 41,035.38/x
  3. Step 3: Cross multiply
    129,781.86x = 194,671.56 × 41,035.38
  4. Step 4: Simplify right side
    129,781.86x = 7,988,421,439.79
  5. Step 5: Solve for x
    x = 7,988,421,439.79/129,781.86
  6. Step 6: Final answer
    x = 61,552.68

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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.