Home / 98,531.56-147,774.30-31,954.60

Finding the Fourth Proportional to 98,531.56, 147,774.30 and 31,954.60

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Solution

The fourth proportional to 98,531.56, 147,774.30 and 31,954.60 is: 47,924.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,531.56 : 147,774.30 = 31,954.60 : x
  2. Step 2: Convert to fraction form
    98,531.56/147,774.30 = 31,954.60/x
  3. Step 3: Cross multiply
    98,531.56x = 147,774.30 × 31,954.60
  4. Step 4: Simplify right side
    98,531.56x = 4,722,068,646.78
  5. Step 5: Solve for x
    x = 4,722,068,646.78/98,531.56
  6. Step 6: Final answer
    x = 47,924.43

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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.