Home / 185,131.14-255,482.19-100,248.21

Finding the Fourth Proportional to 185,131.14, 255,482.19 and 100,248.21

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Solution

The fourth proportional to 185,131.14, 255,482.19 and 100,248.21 is: 138,343.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,131.14 : 255,482.19 = 100,248.21 : x
  2. Step 2: Convert to fraction form
    185,131.14/255,482.19 = 100,248.21/x
  3. Step 3: Cross multiply
    185,131.14x = 255,482.19 × 100,248.21
  4. Step 4: Simplify right side
    185,131.14x = 25,611,632,234.38
  5. Step 5: Solve for x
    x = 25,611,632,234.38/185,131.14
  6. Step 6: Final answer
    x = 138,343.19

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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.