Home / 185,147.38-255,503.39-100,264.44

Finding the Fourth Proportional to 185,147.38, 255,503.39 and 100,264.44

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Solution

The fourth proportional to 185,147.38, 255,503.39 and 100,264.44 is: 138,364.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,147.38 : 255,503.39 = 100,264.44 : x
  2. Step 2: Convert to fraction form
    185,147.38/255,503.39 = 100,264.44/x
  3. Step 3: Cross multiply
    185,147.38x = 255,503.39 × 100,264.44
  4. Step 4: Simplify right side
    185,147.38x = 25,617,904,316.45
  5. Step 5: Solve for x
    x = 25,617,904,316.45/185,147.38
  6. Step 6: Final answer
    x = 138,364.93

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1.5x scale

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.