Home / 112,751.41-155,594.98-61,765.15

Finding the Fourth Proportional to 112,751.41, 155,594.98 and 61,765.15

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Solution

The fourth proportional to 112,751.41, 155,594.98 and 61,765.15 is: 85,234.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,751.41 : 155,594.98 = 61,765.15 : x
  2. Step 2: Convert to fraction form
    112,751.41/155,594.98 = 61,765.15/x
  3. Step 3: Cross multiply
    112,751.41x = 155,594.98 × 61,765.15
  4. Step 4: Simplify right side
    112,751.41x = 9,610,346,970.12
  5. Step 5: Solve for x
    x = 9,610,346,970.12/112,751.41
  6. Step 6: Final answer
    x = 85,234.83

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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.