Home / 132,764.40-199,535.40-115,657.20

Finding the Fourth Proportional to 132,764.40, 199,535.40 and 115,657.20

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Solution

The fourth proportional to 132,764.40, 199,535.40 and 115,657.20 is: 173,824.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,764.40 : 199,535.40 = 115,657.20 : x
  2. Step 2: Convert to fraction form
    132,764.40/199,535.40 = 115,657.20/x
  3. Step 3: Cross multiply
    132,764.40x = 199,535.40 × 115,657.20
  4. Step 4: Simplify right side
    132,764.40x = 23,077,705,664.88
  5. Step 5: Solve for x
    x = 23,077,705,664.88/132,764.40
  6. Step 6: Final answer
    x = 173,824.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.