Home / 145,220.20-217,830.30-95,453.80

Finding the Fourth Proportional to 145,220.20, 217,830.30 and 95,453.80

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Solution

The fourth proportional to 145,220.20, 217,830.30 and 95,453.80 is: 143,180.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,220.20 : 217,830.30 = 95,453.80 : x
  2. Step 2: Convert to fraction form
    145,220.20/217,830.30 = 95,453.80/x
  3. Step 3: Cross multiply
    145,220.20x = 217,830.30 × 95,453.80
  4. Step 4: Simplify right side
    145,220.20x = 20,792,729,890.14
  5. Step 5: Solve for x
    x = 20,792,729,890.14/145,220.20
  6. Step 6: Final answer
    x = 143,180.70

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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.