Home / 103,023.89-154,593.85-55,638.28

Finding the Fourth Proportional to 103,023.89, 154,593.85 and 55,638.28

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Solution

The fourth proportional to 103,023.89, 154,593.85 and 55,638.28 is: 83,488.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,023.89 : 154,593.85 = 55,638.28 : x
  2. Step 2: Convert to fraction form
    103,023.89/154,593.85 = 55,638.28/x
  3. Step 3: Cross multiply
    103,023.89x = 154,593.85 × 55,638.28
  4. Step 4: Simplify right side
    103,023.89x = 8,601,335,912.58
  5. Step 5: Solve for x
    x = 8,601,335,912.58/103,023.89
  6. Step 6: Final answer
    x = 83,488.75

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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.