Home / 132,359.20-198,538.80-70,151.20

Finding the Fourth Proportional to 132,359.20, 198,538.80 and 70,151.20

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Solution

The fourth proportional to 132,359.20, 198,538.80 and 70,151.20 is: 105,226.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,359.20 : 198,538.80 = 70,151.20 : x
  2. Step 2: Convert to fraction form
    132,359.20/198,538.80 = 70,151.20/x
  3. Step 3: Cross multiply
    132,359.20x = 198,538.80 × 70,151.20
  4. Step 4: Simplify right side
    132,359.20x = 13,927,735,066.56
  5. Step 5: Solve for x
    x = 13,927,735,066.56/132,359.20
  6. Step 6: Final answer
    x = 105,226.80

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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.