Home / 149,479.20-206,273.52-92,889.36

Finding the Fourth Proportional to 149,479.20, 206,273.52 and 92,889.36

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Solution

The fourth proportional to 149,479.20, 206,273.52 and 92,889.36 is: 128,182.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,479.20 : 206,273.52 = 92,889.36 : x
  2. Step 2: Convert to fraction form
    149,479.20/206,273.52 = 92,889.36/x
  3. Step 3: Cross multiply
    149,479.20x = 206,273.52 × 92,889.36
  4. Step 4: Simplify right side
    149,479.20x = 19,160,615,257.75
  5. Step 5: Solve for x
    x = 19,160,615,257.75/149,479.20
  6. Step 6: Final answer
    x = 128,182.48

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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.