Home / 132,070.20-197,813.70-108,742.20

Finding the Fourth Proportional to 132,070.20, 197,813.70 and 108,742.20

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Solution

The fourth proportional to 132,070.20, 197,813.70 and 108,742.20 is: 162,873.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,070.20 : 197,813.70 = 108,742.20 : x
  2. Step 2: Convert to fraction form
    132,070.20/197,813.70 = 108,742.20/x
  3. Step 3: Cross multiply
    132,070.20x = 197,813.70 × 108,742.20
  4. Step 4: Simplify right side
    132,070.20x = 21,510,696,928.14
  5. Step 5: Solve for x
    x = 21,510,696,928.14/132,070.20
  6. Step 6: Final answer
    x = 162,873.21

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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.