Home / 112,793.29-155,647.50-61,805.41

Finding the Fourth Proportional to 112,793.29, 155,647.50 and 61,805.41

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Solution

The fourth proportional to 112,793.29, 155,647.50 and 61,805.41 is: 85,287.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,793.29 : 155,647.50 = 61,805.41 : x
  2. Step 2: Convert to fraction form
    112,793.29/155,647.50 = 61,805.41/x
  3. Step 3: Cross multiply
    112,793.29x = 155,647.50 × 61,805.41
  4. Step 4: Simplify right side
    112,793.29x = 9,619,857,552.98
  5. Step 5: Solve for x
    x = 9,619,857,552.98/112,793.29
  6. Step 6: Final answer
    x = 85,287.50

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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.