Home / 185,169.40-255,532.50-100,284.52

Finding the Fourth Proportional to 185,169.40, 255,532.50 and 100,284.52

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Solution

The fourth proportional to 185,169.40, 255,532.50 and 100,284.52 is: 138,391.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,169.40 : 255,532.50 = 100,284.52 : x
  2. Step 2: Convert to fraction form
    185,169.40/255,532.50 = 100,284.52/x
  3. Step 3: Cross multiply
    185,169.40x = 255,532.50 × 100,284.52
  4. Step 4: Simplify right side
    185,169.40x = 25,625,954,106.90
  5. Step 5: Solve for x
    x = 25,625,954,106.90/185,169.40
  6. Step 6: Final answer
    x = 138,391.95

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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.