Home / 148,960.40-223,246.20-68,989.10

Finding the Fourth Proportional to 148,960.40, 223,246.20 and 68,989.10

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Solution

The fourth proportional to 148,960.40, 223,246.20 and 68,989.10 is: 103,393.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,960.40 : 223,246.20 = 68,989.10 : x
  2. Step 2: Convert to fraction form
    148,960.40/223,246.20 = 68,989.10/x
  3. Step 3: Cross multiply
    148,960.40x = 223,246.20 × 68,989.10
  4. Step 4: Simplify right side
    148,960.40x = 15,401,554,416.42
  5. Step 5: Solve for x
    x = 15,401,554,416.42/148,960.40
  6. Step 6: Final answer
    x = 103,393.62

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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.