Home / 132,362.20-198,470.40-53,387.20

Finding the Fourth Proportional to 132,362.20, 198,470.40 and 53,387.20

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Solution

The fourth proportional to 132,362.20, 198,470.40 and 53,387.20 is: 80,051.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,362.20 : 198,470.40 = 53,387.20 : x
  2. Step 2: Convert to fraction form
    132,362.20/198,470.40 = 53,387.20/x
  3. Step 3: Cross multiply
    132,362.20x = 198,470.40 × 53,387.20
  4. Step 4: Simplify right side
    132,362.20x = 10,595,778,938.88
  5. Step 5: Solve for x
    x = 10,595,778,938.88/132,362.20
  6. Step 6: Final answer
    x = 80,051.40

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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.