Home / 118,257.28-177,291.73-68,280.69

Finding the Fourth Proportional to 118,257.28, 177,291.73 and 68,280.69

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Solution

The fourth proportional to 118,257.28, 177,291.73 and 68,280.69 is: 102,366.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,257.28 : 177,291.73 = 68,280.69 : x
  2. Step 2: Convert to fraction form
    118,257.28/177,291.73 = 68,280.69/x
  3. Step 3: Cross multiply
    118,257.28x = 177,291.73 × 68,280.69
  4. Step 4: Simplify right side
    118,257.28x = 12,105,601,655.69
  5. Step 5: Solve for x
    x = 12,105,601,655.69/118,257.28
  6. Step 6: Final answer
    x = 102,366.65

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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.