Home / 98,084.52-147,104.88-45,487.16

Finding the Fourth Proportional to 98,084.52, 147,104.88 and 45,487.16

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Solution

The fourth proportional to 98,084.52, 147,104.88 and 45,487.16 is: 68,220.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,084.52 : 147,104.88 = 45,487.16 : x
  2. Step 2: Convert to fraction form
    98,084.52/147,104.88 = 45,487.16/x
  3. Step 3: Cross multiply
    98,084.52x = 147,104.88 × 45,487.16
  4. Step 4: Simplify right side
    98,084.52x = 6,691,383,213.34
  5. Step 5: Solve for x
    x = 6,691,383,213.34/98,084.52
  6. Step 6: Final answer
    x = 68,220.58

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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.