Home / 221,631.60-332,562.60-96,985.20

Finding the Fourth Proportional to 221,631.60, 332,562.60 and 96,985.20

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Solution

The fourth proportional to 221,631.60, 332,562.60 and 96,985.20 is: 145,528.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,631.60 : 332,562.60 = 96,985.20 : x
  2. Step 2: Convert to fraction form
    221,631.60/332,562.60 = 96,985.20/x
  3. Step 3: Cross multiply
    221,631.60x = 332,562.60 × 96,985.20
  4. Step 4: Simplify right side
    221,631.60x = 32,253,650,273.52
  5. Step 5: Solve for x
    x = 32,253,650,273.52/221,631.60
  6. Step 6: Final answer
    x = 145,528.21

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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.