Home / 148,935.60-223,408.80-43,765.20

Finding the Fourth Proportional to 148,935.60, 223,408.80 and 43,765.20

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Solution

The fourth proportional to 148,935.60, 223,408.80 and 43,765.20 is: 65,649.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,935.60 : 223,408.80 = 43,765.20 : x
  2. Step 2: Convert to fraction form
    148,935.60/223,408.80 = 43,765.20/x
  3. Step 3: Cross multiply
    148,935.60x = 223,408.80 × 43,765.20
  4. Step 4: Simplify right side
    148,935.60x = 9,777,530,813.76
  5. Step 5: Solve for x
    x = 9,777,530,813.76/148,935.60
  6. Step 6: Final answer
    x = 65,649.39

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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.