Home / 149,228-206,109.60-98,839.52

Finding the Fourth Proportional to 149,228, 206,109.60 and 98,839.52

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Solution

The fourth proportional to 149,228, 206,109.60 and 98,839.52 is: 136,514.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,228 : 206,109.60 = 98,839.52 : x
  2. Step 2: Convert to fraction form
    149,228/206,109.60 = 98,839.52/x
  3. Step 3: Cross multiply
    149,228x = 206,109.60 × 98,839.52
  4. Step 4: Simplify right side
    149,228x = 20,371,773,931.39
  5. Step 5: Solve for x
    x = 20,371,773,931.39/149,228
  6. Step 6: Final answer
    x = 136,514.42

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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.