Home / 272,592.16-408,758.88-95,077.60

Finding the Fourth Proportional to 272,592.16, 408,758.88 and 95,077.60

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Solution

The fourth proportional to 272,592.16, 408,758.88 and 95,077.60 is: 142,571.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,592.16 : 408,758.88 = 95,077.60 : x
  2. Step 2: Convert to fraction form
    272,592.16/408,758.88 = 95,077.60/x
  3. Step 3: Cross multiply
    272,592.16x = 408,758.88 × 95,077.60
  4. Step 4: Simplify right side
    272,592.16x = 38,863,813,289.09
  5. Step 5: Solve for x
    x = 38,863,813,289.09/272,592.16
  6. Step 6: Final answer
    x = 142,571.28

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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.