Home / 147,078.40-220,180.20-87,883.60

Finding the Fourth Proportional to 147,078.40, 220,180.20 and 87,883.60

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Solution

The fourth proportional to 147,078.40, 220,180.20 and 87,883.60 is: 131,564.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,078.40 : 220,180.20 = 87,883.60 : x
  2. Step 2: Convert to fraction form
    147,078.40/220,180.20 = 87,883.60/x
  3. Step 3: Cross multiply
    147,078.40x = 220,180.20 × 87,883.60
  4. Step 4: Simplify right side
    147,078.40x = 19,350,228,624.72
  5. Step 5: Solve for x
    x = 19,350,228,624.72/147,078.40
  6. Step 6: Final answer
    x = 131,564.04

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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.