Home / 132,278.65-198,355.38-51,263.62

Finding the Fourth Proportional to 132,278.65, 198,355.38 and 51,263.62

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Solution

The fourth proportional to 132,278.65, 198,355.38 and 51,263.62 is: 76,871.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,278.65 : 198,355.38 = 51,263.62 : x
  2. Step 2: Convert to fraction form
    132,278.65/198,355.38 = 51,263.62/x
  3. Step 3: Cross multiply
    132,278.65x = 198,355.38 × 51,263.62
  4. Step 4: Simplify right side
    132,278.65x = 10,168,414,825.28
  5. Step 5: Solve for x
    x = 10,168,414,825.28/132,278.65
  6. Step 6: Final answer
    x = 76,871.17

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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.