Home / 102,983.40-154,302.30-50,279.40

Finding the Fourth Proportional to 102,983.40, 154,302.30 and 50,279.40

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Solution

The fourth proportional to 102,983.40, 154,302.30 and 50,279.40 is: 75,334.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,983.40 : 154,302.30 = 50,279.40 : x
  2. Step 2: Convert to fraction form
    102,983.40/154,302.30 = 50,279.40/x
  3. Step 3: Cross multiply
    102,983.40x = 154,302.30 × 50,279.40
  4. Step 4: Simplify right side
    102,983.40x = 7,758,227,062.62
  5. Step 5: Solve for x
    x = 7,758,227,062.62/102,983.40
  6. Step 6: Final answer
    x = 75,334.73

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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.