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Finding the Fourth Proportional to 74,174.78, 110,600.52 and 65,932.22

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Solution

The fourth proportional to 74,174.78, 110,600.52 and 65,932.22 is: 98,310.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,174.78 : 110,600.52 = 65,932.22 : x
  2. Step 2: Convert to fraction form
    74,174.78/110,600.52 = 65,932.22/x
  3. Step 3: Cross multiply
    74,174.78x = 110,600.52 × 65,932.22
  4. Step 4: Simplify right side
    74,174.78x = 7,292,137,816.75
  5. Step 5: Solve for x
    x = 7,292,137,816.75/74,174.78
  6. Step 6: Final answer
    x = 98,310.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.