Home / 149,710.26-206,634.90-98,732.19

Finding the Fourth Proportional to 149,710.26, 206,634.90 and 98,732.19

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Solution

The fourth proportional to 149,710.26, 206,634.90 and 98,732.19 is: 136,273.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,710.26 : 206,634.90 = 98,732.19 : x
  2. Step 2: Convert to fraction form
    149,710.26/206,634.90 = 98,732.19/x
  3. Step 3: Cross multiply
    149,710.26x = 206,634.90 × 98,732.19
  4. Step 4: Simplify right side
    149,710.26x = 20,401,516,207.43
  5. Step 5: Solve for x
    x = 20,401,516,207.43/149,710.26
  6. Step 6: Final answer
    x = 136,273.33

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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.