Home / 118,738.65-178,052.61-68,833.02

Finding the Fourth Proportional to 118,738.65, 178,052.61 and 68,833.02

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Solution

The fourth proportional to 118,738.65, 178,052.61 and 68,833.02 is: 103,217.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,738.65 : 178,052.61 = 68,833.02 : x
  2. Step 2: Convert to fraction form
    118,738.65/178,052.61 = 68,833.02/x
  3. Step 3: Cross multiply
    118,738.65x = 178,052.61 × 68,833.02
  4. Step 4: Simplify right side
    118,738.65x = 12,255,898,865.18
  5. Step 5: Solve for x
    x = 12,255,898,865.18/118,738.65
  6. Step 6: Final answer
    x = 103,217.43

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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.