Home / 149,729.20-206,576.70-98,767.24

Finding the Fourth Proportional to 149,729.20, 206,576.70 and 98,767.24

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Solution

The fourth proportional to 149,729.20, 206,576.70 and 98,767.24 is: 136,266.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,729.20 : 206,576.70 = 98,767.24 : x
  2. Step 2: Convert to fraction form
    149,729.20/206,576.70 = 98,767.24/x
  3. Step 3: Cross multiply
    149,729.20x = 206,576.70 × 98,767.24
  4. Step 4: Simplify right side
    149,729.20x = 20,403,010,507.31
  5. Step 5: Solve for x
    x = 20,403,010,507.31/149,729.20
  6. Step 6: Final answer
    x = 136,266.08

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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.