Home / 148,991.82-223,417.38-54,155.28

Finding the Fourth Proportional to 148,991.82, 223,417.38 and 54,155.28

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Solution

The fourth proportional to 148,991.82, 223,417.38 and 54,155.28 is: 81,207.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,991.82 : 223,417.38 = 54,155.28 : x
  2. Step 2: Convert to fraction form
    148,991.82/223,417.38 = 54,155.28/x
  3. Step 3: Cross multiply
    148,991.82x = 223,417.38 × 54,155.28
  4. Step 4: Simplify right side
    148,991.82x = 12,099,230,770.77
  5. Step 5: Solve for x
    x = 12,099,230,770.77/148,991.82
  6. Step 6: Final answer
    x = 81,207.35

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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.