Home / 102,917.70-154,376.55-100,844.10

Finding the Fourth Proportional to 102,917.70, 154,376.55 and 100,844.10

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Solution

The fourth proportional to 102,917.70, 154,376.55 and 100,844.10 is: 151,266.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,917.70 : 154,376.55 = 100,844.10 : x
  2. Step 2: Convert to fraction form
    102,917.70/154,376.55 = 100,844.10/x
  3. Step 3: Cross multiply
    102,917.70x = 154,376.55 × 100,844.10
  4. Step 4: Simplify right side
    102,917.70x = 15,567,964,245.86
  5. Step 5: Solve for x
    x = 15,567,964,245.86/102,917.70
  6. Step 6: Final answer
    x = 151,266.15

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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.