Home / 185,132.25-255,482.64-100,249.38

Finding the Fourth Proportional to 185,132.25, 255,482.64 and 100,249.38

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Solution

The fourth proportional to 185,132.25, 255,482.64 and 100,249.38 is: 138,344.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,132.25 : 255,482.64 = 100,249.38 : x
  2. Step 2: Convert to fraction form
    185,132.25/255,482.64 = 100,249.38/x
  3. Step 3: Cross multiply
    185,132.25x = 255,482.64 × 100,249.38
  4. Step 4: Simplify right side
    185,132.25x = 25,611,976,260.76
  5. Step 5: Solve for x
    x = 25,611,976,260.76/185,132.25
  6. Step 6: Final answer
    x = 138,344.22

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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.