Home / 97,968.20-146,822.70-86,822.60

Finding the Fourth Proportional to 97,968.20, 146,822.70 and 86,822.60

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Solution

The fourth proportional to 97,968.20, 146,822.70 and 86,822.60 is: 130,119.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,968.20 : 146,822.70 = 86,822.60 : x
  2. Step 2: Convert to fraction form
    97,968.20/146,822.70 = 86,822.60/x
  3. Step 3: Cross multiply
    97,968.20x = 146,822.70 × 86,822.60
  4. Step 4: Simplify right side
    97,968.20x = 12,747,528,553.02
  5. Step 5: Solve for x
    x = 12,747,528,553.02/97,968.20
  6. Step 6: Final answer
    x = 130,119.04

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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.