Home / 149,680.42-206,360.49-124,090.18

Finding the Fourth Proportional to 149,680.42, 206,360.49 and 124,090.18

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Solution

The fourth proportional to 149,680.42, 206,360.49 and 124,090.18 is: 171,079.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,680.42 : 206,360.49 = 124,090.18 : x
  2. Step 2: Convert to fraction form
    149,680.42/206,360.49 = 124,090.18/x
  3. Step 3: Cross multiply
    149,680.42x = 206,360.49 × 124,090.18
  4. Step 4: Simplify right side
    149,680.42x = 25,607,310,348.99
  5. Step 5: Solve for x
    x = 25,607,310,348.99/149,680.42
  6. Step 6: Final answer
    x = 171,079.89

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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.