Home / 149,548.97-206,135.82-130,118.24

Finding the Fourth Proportional to 149,548.97, 206,135.82 and 130,118.24

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Solution

The fourth proportional to 149,548.97, 206,135.82 and 130,118.24 is: 179,352.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,548.97 : 206,135.82 = 130,118.24 : x
  2. Step 2: Convert to fraction form
    149,548.97/206,135.82 = 130,118.24/x
  3. Step 3: Cross multiply
    149,548.97x = 206,135.82 × 130,118.24
  4. Step 4: Simplify right side
    149,548.97x = 26,822,030,614.70
  5. Step 5: Solve for x
    x = 26,822,030,614.70/149,548.97
  6. Step 6: Final answer
    x = 179,352.82

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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.