Home / 185,400.76-255,854.82-100,518.04

Finding the Fourth Proportional to 185,400.76, 255,854.82 and 100,518.04

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Solution

The fourth proportional to 185,400.76, 255,854.82 and 100,518.04 is: 138,715.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,400.76 : 255,854.82 = 100,518.04 : x
  2. Step 2: Convert to fraction form
    185,400.76/255,854.82 = 100,518.04/x
  3. Step 3: Cross multiply
    185,400.76x = 255,854.82 × 100,518.04
  4. Step 4: Simplify right side
    185,400.76x = 25,718,025,030.95
  5. Step 5: Solve for x
    x = 25,718,025,030.95/185,400.76
  6. Step 6: Final answer
    x = 138,715.86

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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.