Home / 122,301.20-183,624.60-75,645.20

Finding the Fourth Proportional to 122,301.20, 183,624.60 and 75,645.20

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Solution

The fourth proportional to 122,301.20, 183,624.60 and 75,645.20 is: 113,574.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,301.20 : 183,624.60 = 75,645.20 : x
  2. Step 2: Convert to fraction form
    122,301.20/183,624.60 = 75,645.20/x
  3. Step 3: Cross multiply
    122,301.20x = 183,624.60 × 75,645.20
  4. Step 4: Simplify right side
    122,301.20x = 13,890,319,591.92
  5. Step 5: Solve for x
    x = 13,890,319,591.92/122,301.20
  6. Step 6: Final answer
    x = 113,574.68

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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.