Home / 78,844.56-118,204-45,526.80

Finding the Fourth Proportional to 78,844.56, 118,204 and 45,526.80

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Solution

The fourth proportional to 78,844.56, 118,204 and 45,526.80 is: 68,253.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,844.56 : 118,204 = 45,526.80 : x
  2. Step 2: Convert to fraction form
    78,844.56/118,204 = 45,526.80/x
  3. Step 3: Cross multiply
    78,844.56x = 118,204 × 45,526.80
  4. Step 4: Simplify right side
    78,844.56x = 5,381,449,867.20
  5. Step 5: Solve for x
    x = 5,381,449,867.20/78,844.56
  6. Step 6: Final answer
    x = 68,253.91

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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.