Home / 148,829.20-223,243.80-38,021.20

Finding the Fourth Proportional to 148,829.20, 223,243.80 and 38,021.20

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Solution

The fourth proportional to 148,829.20, 223,243.80 and 38,021.20 is: 57,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,829.20 : 223,243.80 = 38,021.20 : x
  2. Step 2: Convert to fraction form
    148,829.20/223,243.80 = 38,021.20/x
  3. Step 3: Cross multiply
    148,829.20x = 223,243.80 × 38,021.20
  4. Step 4: Simplify right side
    148,829.20x = 8,487,997,168.56
  5. Step 5: Solve for x
    x = 8,487,997,168.56/148,829.20
  6. Step 6: Final answer
    x = 57,031.80

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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.