Home / 112,934.10-155,850.75-61,951.80

Finding the Fourth Proportional to 112,934.10, 155,850.75 and 61,951.80

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Solution

The fourth proportional to 112,934.10, 155,850.75 and 61,951.80 is: 85,494.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,934.10 : 155,850.75 = 61,951.80 : x
  2. Step 2: Convert to fraction form
    112,934.10/155,850.75 = 61,951.80/x
  3. Step 3: Cross multiply
    112,934.10x = 155,850.75 × 61,951.80
  4. Step 4: Simplify right side
    112,934.10x = 9,655,234,493.85
  5. Step 5: Solve for x
    x = 9,655,234,493.85/112,934.10
  6. Step 6: Final answer
    x = 85,494.41

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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.