Home / 149,714.90-206,641.28-98,736.82

Finding the Fourth Proportional to 149,714.90, 206,641.28 and 98,736.82

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Solution

The fourth proportional to 149,714.90, 206,641.28 and 98,736.82 is: 136,279.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,714.90 : 206,641.28 = 98,736.82 : x
  2. Step 2: Convert to fraction form
    149,714.90/206,641.28 = 98,736.82/x
  3. Step 3: Cross multiply
    149,714.90x = 206,641.28 × 98,736.82
  4. Step 4: Simplify right side
    149,714.90x = 20,403,102,867.93
  5. Step 5: Solve for x
    x = 20,403,102,867.93/149,714.90
  6. Step 6: Final answer
    x = 136,279.71

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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.