Home / 98,257.25-147,404.21-31,690.44

Finding the Fourth Proportional to 98,257.25, 147,404.21 and 31,690.44

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Solution

The fourth proportional to 98,257.25, 147,404.21 and 31,690.44 is: 47,541.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,257.25 : 147,404.21 = 31,690.44 : x
  2. Step 2: Convert to fraction form
    98,257.25/147,404.21 = 31,690.44/x
  3. Step 3: Cross multiply
    98,257.25x = 147,404.21 × 31,690.44
  4. Step 4: Simplify right side
    98,257.25x = 4,671,304,114.30
  5. Step 5: Solve for x
    x = 4,671,304,114.30/98,257.25
  6. Step 6: Final answer
    x = 47,541.57

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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.