Home / 102,911.04-154,327.20-36,338.72

Finding the Fourth Proportional to 102,911.04, 154,327.20 and 36,338.72

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Solution

The fourth proportional to 102,911.04, 154,327.20 and 36,338.72 is: 54,494.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,911.04 : 154,327.20 = 36,338.72 : x
  2. Step 2: Convert to fraction form
    102,911.04/154,327.20 = 36,338.72/x
  3. Step 3: Cross multiply
    102,911.04x = 154,327.20 × 36,338.72
  4. Step 4: Simplify right side
    102,911.04x = 5,608,052,909.18
  5. Step 5: Solve for x
    x = 5,608,052,909.18/102,911.04
  6. Step 6: Final answer
    x = 54,494.18

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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.