Home / 98,350.31-147,521.62-28,229.60

Finding the Fourth Proportional to 98,350.31, 147,521.62 and 28,229.60

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Solution

The fourth proportional to 98,350.31, 147,521.62 and 28,229.60 is: 42,343.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,350.31 : 147,521.62 = 28,229.60 : x
  2. Step 2: Convert to fraction form
    98,350.31/147,521.62 = 28,229.60/x
  3. Step 3: Cross multiply
    98,350.31x = 147,521.62 × 28,229.60
  4. Step 4: Simplify right side
    98,350.31x = 4,164,476,323.95
  5. Step 5: Solve for x
    x = 4,164,476,323.95/98,350.31
  6. Step 6: Final answer
    x = 42,343.30

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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.