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Finding the Fourth Proportional to 80,265.63, 120,399.63 and 38,150.01

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Solution

The fourth proportional to 80,265.63, 120,399.63 and 38,150.01 is: 57,225.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,265.63 : 120,399.63 = 38,150.01 : x
  2. Step 2: Convert to fraction form
    80,265.63/120,399.63 = 38,150.01/x
  3. Step 3: Cross multiply
    80,265.63x = 120,399.63 × 38,150.01
  4. Step 4: Simplify right side
    80,265.63x = 4,593,247,088.50
  5. Step 5: Solve for x
    x = 4,593,247,088.50/80,265.63
  6. Step 6: Final answer
    x = 57,225.58

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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.