Home / 112,751.42-155,598.98-61,763.33

Finding the Fourth Proportional to 112,751.42, 155,598.98 and 61,763.33

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Solution

The fourth proportional to 112,751.42, 155,598.98 and 61,763.33 is: 85,234.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,751.42 : 155,598.98 = 61,763.33 : x
  2. Step 2: Convert to fraction form
    112,751.42/155,598.98 = 61,763.33/x
  3. Step 3: Cross multiply
    112,751.42x = 155,598.98 × 61,763.33
  4. Step 4: Simplify right side
    112,751.42x = 9,610,311,229.58
  5. Step 5: Solve for x
    x = 9,610,311,229.58/112,751.42
  6. Step 6: Final answer
    x = 85,234.51

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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.