Home / 147,221.34-220,546.89-88,103.58

Finding the Fourth Proportional to 147,221.34, 220,546.89 and 88,103.58

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Solution

The fourth proportional to 147,221.34, 220,546.89 and 88,103.58 is: 131,984.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,221.34 : 220,546.89 = 88,103.58 : x
  2. Step 2: Convert to fraction form
    147,221.34/220,546.89 = 88,103.58/x
  3. Step 3: Cross multiply
    147,221.34x = 220,546.89 × 88,103.58
  4. Step 4: Simplify right side
    147,221.34x = 19,430,970,566.87
  5. Step 5: Solve for x
    x = 19,430,970,566.87/147,221.34
  6. Step 6: Final answer
    x = 131,984.74

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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.