Home / 149,027.95-206,200.12-129,947.52

Finding the Fourth Proportional to 149,027.95, 206,200.12 and 129,947.52

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Solution

The fourth proportional to 149,027.95, 206,200.12 and 129,947.52 is: 179,799.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,027.95 : 206,200.12 = 129,947.52 : x
  2. Step 2: Convert to fraction form
    149,027.95/206,200.12 = 129,947.52/x
  3. Step 3: Cross multiply
    149,027.95x = 206,200.12 × 129,947.52
  4. Step 4: Simplify right side
    149,027.95x = 26,795,192,536.96
  5. Step 5: Solve for x
    x = 26,795,192,536.96/149,027.95
  6. Step 6: Final answer
    x = 179,799.78

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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.