Home / 134,650.24-185,815.01-74,226.50

Finding the Fourth Proportional to 134,650.24, 185,815.01 and 74,226.50

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Solution

The fourth proportional to 134,650.24, 185,815.01 and 74,226.50 is: 102,431.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,650.24 : 185,815.01 = 74,226.50 : x
  2. Step 2: Convert to fraction form
    134,650.24/185,815.01 = 74,226.50/x
  3. Step 3: Cross multiply
    134,650.24x = 185,815.01 × 74,226.50
  4. Step 4: Simplify right side
    134,650.24x = 13,792,397,793.06
  5. Step 5: Solve for x
    x = 13,792,397,793.06/134,650.24
  6. Step 6: Final answer
    x = 102,431.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.