Home / 98,182.02-147,268.25-31,620.68

Finding the Fourth Proportional to 98,182.02, 147,268.25 and 31,620.68

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Solution

The fourth proportional to 98,182.02, 147,268.25 and 31,620.68 is: 47,429.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,182.02 : 147,268.25 = 31,620.68 : x
  2. Step 2: Convert to fraction form
    98,182.02/147,268.25 = 31,620.68/x
  3. Step 3: Cross multiply
    98,182.02x = 147,268.25 × 31,620.68
  4. Step 4: Simplify right side
    98,182.02x = 4,656,722,072.73
  5. Step 5: Solve for x
    x = 4,656,722,072.73/98,182.02
  6. Step 6: Final answer
    x = 47,429.48

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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.