Home / 148,746.97-205,269.69-80,762.66

Finding the Fourth Proportional to 148,746.97, 205,269.69 and 80,762.66

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Solution

The fourth proportional to 148,746.97, 205,269.69 and 80,762.66 is: 111,451.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,746.97 : 205,269.69 = 80,762.66 : x
  2. Step 2: Convert to fraction form
    148,746.97/205,269.69 = 80,762.66/x
  3. Step 3: Cross multiply
    148,746.97x = 205,269.69 × 80,762.66
  4. Step 4: Simplify right side
    148,746.97x = 16,578,126,181.78
  5. Step 5: Solve for x
    x = 16,578,126,181.78/148,746.97
  6. Step 6: Final answer
    x = 111,451.86

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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.