Home / 159,760.34-220,470.04-88,140.36

Finding the Fourth Proportional to 159,760.34, 220,470.04 and 88,140.36

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Solution

The fourth proportional to 159,760.34, 220,470.04 and 88,140.36 is: 121,634.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,760.34 : 220,470.04 = 88,140.36 : x
  2. Step 2: Convert to fraction form
    159,760.34/220,470.04 = 88,140.36/x
  3. Step 3: Cross multiply
    159,760.34x = 220,470.04 × 88,140.36
  4. Step 4: Simplify right side
    159,760.34x = 19,432,308,694.81
  5. Step 5: Solve for x
    x = 19,432,308,694.81/159,760.34
  6. Step 6: Final answer
    x = 121,634.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.