Home / 185,181.50-255,550.48-100,299.18

Finding the Fourth Proportional to 185,181.50, 255,550.48 and 100,299.18

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Solution

The fourth proportional to 185,181.50, 255,550.48 and 100,299.18 is: 138,412.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,181.50 : 255,550.48 = 100,299.18 : x
  2. Step 2: Convert to fraction form
    185,181.50/255,550.48 = 100,299.18/x
  3. Step 3: Cross multiply
    185,181.50x = 255,550.48 × 100,299.18
  4. Step 4: Simplify right side
    185,181.50x = 25,631,503,592.61
  5. Step 5: Solve for x
    x = 25,631,503,592.61/185,181.50
  6. Step 6: Final answer
    x = 138,412.87

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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.