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Finding the Fourth Proportional to 148,850.40, 223,300.20 and 68,968.20

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Solution

The fourth proportional to 148,850.40, 223,300.20 and 68,968.20 is: 103,463.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,850.40 : 223,300.20 = 68,968.20 : x
  2. Step 2: Convert to fraction form
    148,850.40/223,300.20 = 68,968.20/x
  3. Step 3: Cross multiply
    148,850.40x = 223,300.20 × 68,968.20
  4. Step 4: Simplify right side
    148,850.40x = 15,400,612,853.64
  5. Step 5: Solve for x
    x = 15,400,612,853.64/148,850.40
  6. Step 6: Final answer
    x = 103,463.70

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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.