Home / 185,147.57-255,503.13-100,264.61

Finding the Fourth Proportional to 185,147.57, 255,503.13 and 100,264.61

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Solution

The fourth proportional to 185,147.57, 255,503.13 and 100,264.61 is: 138,364.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,147.57 : 255,503.13 = 100,264.61 : x
  2. Step 2: Convert to fraction form
    185,147.57/255,503.13 = 100,264.61/x
  3. Step 3: Cross multiply
    185,147.57x = 255,503.13 × 100,264.61
  4. Step 4: Simplify right side
    185,147.57x = 25,617,921,683.23
  5. Step 5: Solve for x
    x = 25,617,921,683.23/185,147.57
  6. Step 6: Final answer
    x = 138,364.88

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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.