Home / 132,339.20-198,508.80-113,312.30

Finding the Fourth Proportional to 132,339.20, 198,508.80 and 113,312.30

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Solution

The fourth proportional to 132,339.20, 198,508.80 and 113,312.30 is: 169,968.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,339.20 : 198,508.80 = 113,312.30 : x
  2. Step 2: Convert to fraction form
    132,339.20/198,508.80 = 113,312.30/x
  3. Step 3: Cross multiply
    132,339.20x = 198,508.80 × 113,312.30
  4. Step 4: Simplify right side
    132,339.20x = 22,493,488,698.24
  5. Step 5: Solve for x
    x = 22,493,488,698.24/132,339.20
  6. Step 6: Final answer
    x = 169,968.45

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1.5x scale

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.