Home / 147,606.30-221,409.45-54,099.90

Finding the Fourth Proportional to 147,606.30, 221,409.45 and 54,099.90

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Solution

The fourth proportional to 147,606.30, 221,409.45 and 54,099.90 is: 81,149.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,606.30 : 221,409.45 = 54,099.90 : x
  2. Step 2: Convert to fraction form
    147,606.30/221,409.45 = 54,099.90/x
  3. Step 3: Cross multiply
    147,606.30x = 221,409.45 × 54,099.90
  4. Step 4: Simplify right side
    147,606.30x = 11,978,229,104.06
  5. Step 5: Solve for x
    x = 11,978,229,104.06/147,606.30
  6. Step 6: Final answer
    x = 81,149.85

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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.