Home / 102,984.20-154,479.18-36,414.92

Finding the Fourth Proportional to 102,984.20, 154,479.18 and 36,414.92

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Solution

The fourth proportional to 102,984.20, 154,479.18 and 36,414.92 is: 54,623.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,984.20 : 154,479.18 = 36,414.92 : x
  2. Step 2: Convert to fraction form
    102,984.20/154,479.18 = 36,414.92/x
  3. Step 3: Cross multiply
    102,984.20x = 154,479.18 × 36,414.92
  4. Step 4: Simplify right side
    102,984.20x = 5,625,346,981.37
  5. Step 5: Solve for x
    x = 5,625,346,981.37/102,984.20
  6. Step 6: Final answer
    x = 54,623.40

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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.