Home / 118,077.28-176,919.04-84,747.40

Finding the Fourth Proportional to 118,077.28, 176,919.04 and 84,747.40

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Solution

The fourth proportional to 118,077.28, 176,919.04 and 84,747.40 is: 126,979.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,077.28 : 176,919.04 = 84,747.40 : x
  2. Step 2: Convert to fraction form
    118,077.28/176,919.04 = 84,747.40/x
  3. Step 3: Cross multiply
    118,077.28x = 176,919.04 × 84,747.40
  4. Step 4: Simplify right side
    118,077.28x = 14,993,428,650.50
  5. Step 5: Solve for x
    x = 14,993,428,650.50/118,077.28
  6. Step 6: Final answer
    x = 126,979.79

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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.