Home / 185,155.84-255,514.53-100,272.70

Finding the Fourth Proportional to 185,155.84, 255,514.53 and 100,272.70

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Solution

The fourth proportional to 185,155.84, 255,514.53 and 100,272.70 is: 138,376.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,155.84 : 255,514.53 = 100,272.70 : x
  2. Step 2: Convert to fraction form
    185,155.84/255,514.53 = 100,272.70/x
  3. Step 3: Cross multiply
    185,155.84x = 255,514.53 × 100,272.70
  4. Step 4: Simplify right side
    185,155.84x = 25,621,131,812.33
  5. Step 5: Solve for x
    x = 25,621,131,812.33/185,155.84
  6. Step 6: Final answer
    x = 138,376.04

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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.