Home / 80,244.45-120,263.64-30,265.01

Finding the Fourth Proportional to 80,244.45, 120,263.64 and 30,265.01

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Solution

The fourth proportional to 80,244.45, 120,263.64 and 30,265.01 is: 45,358.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,244.45 : 120,263.64 = 30,265.01 : x
  2. Step 2: Convert to fraction form
    80,244.45/120,263.64 = 30,265.01/x
  3. Step 3: Cross multiply
    80,244.45x = 120,263.64 × 30,265.01
  4. Step 4: Simplify right side
    80,244.45x = 3,639,780,003.41
  5. Step 5: Solve for x
    x = 3,639,780,003.41/80,244.45
  6. Step 6: Final answer
    x = 45,358.65

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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.