Home / 102,956.20-154,434.30-36,395.80

Finding the Fourth Proportional to 102,956.20, 154,434.30 and 36,395.80

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Solution

The fourth proportional to 102,956.20, 154,434.30 and 36,395.80 is: 54,593.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,956.20 : 154,434.30 = 36,395.80 : x
  2. Step 2: Convert to fraction form
    102,956.20/154,434.30 = 36,395.80/x
  3. Step 3: Cross multiply
    102,956.20x = 154,434.30 × 36,395.80
  4. Step 4: Simplify right side
    102,956.20x = 5,620,759,895.94
  5. Step 5: Solve for x
    x = 5,620,759,895.94/102,956.20
  6. Step 6: Final answer
    x = 54,593.70

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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.