Home / 119,708.28-179,332.56-66,957.84

Finding the Fourth Proportional to 119,708.28, 179,332.56 and 66,957.84

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Solution

The fourth proportional to 119,708.28, 179,332.56 and 66,957.84 is: 100,308.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,708.28 : 179,332.56 = 66,957.84 : x
  2. Step 2: Convert to fraction form
    119,708.28/179,332.56 = 66,957.84/x
  3. Step 3: Cross multiply
    119,708.28x = 179,332.56 × 66,957.84
  4. Step 4: Simplify right side
    119,708.28x = 12,007,720,859.27
  5. Step 5: Solve for x
    x = 12,007,720,859.27/119,708.28
  6. Step 6: Final answer
    x = 100,308.19

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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.