Home / 148,108.48-221,883.72-73,140.88

Finding the Fourth Proportional to 148,108.48, 221,883.72 and 73,140.88

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Solution

The fourth proportional to 148,108.48, 221,883.72 and 73,140.88 is: 109,573.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,108.48 : 221,883.72 = 73,140.88 : x
  2. Step 2: Convert to fraction form
    148,108.48/221,883.72 = 73,140.88/x
  3. Step 3: Cross multiply
    148,108.48x = 221,883.72 × 73,140.88
  4. Step 4: Simplify right side
    148,108.48x = 16,228,770,538.47
  5. Step 5: Solve for x
    x = 16,228,770,538.47/148,108.48
  6. Step 6: Final answer
    x = 109,573.54

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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.