Home / 102,964.60-154,274.10-88,103.80

Finding the Fourth Proportional to 102,964.60, 154,274.10 and 88,103.80

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Solution

The fourth proportional to 102,964.60, 154,274.10 and 88,103.80 is: 132,007.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,964.60 : 154,274.10 = 88,103.80 : x
  2. Step 2: Convert to fraction form
    102,964.60/154,274.10 = 88,103.80/x
  3. Step 3: Cross multiply
    102,964.60x = 154,274.10 × 88,103.80
  4. Step 4: Simplify right side
    102,964.60x = 13,592,134,451.58
  5. Step 5: Solve for x
    x = 13,592,134,451.58/102,964.60
  6. Step 6: Final answer
    x = 132,007.84

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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.