Home / 148,767.49-223,188.99-68,863.05

Finding the Fourth Proportional to 148,767.49, 223,188.99 and 68,863.05

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Solution

The fourth proportional to 148,767.49, 223,188.99 and 68,863.05 is: 103,312.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,767.49 : 223,188.99 = 68,863.05 : x
  2. Step 2: Convert to fraction form
    148,767.49/223,188.99 = 68,863.05/x
  3. Step 3: Cross multiply
    148,767.49x = 223,188.99 × 68,863.05
  4. Step 4: Simplify right side
    148,767.49x = 15,369,474,150.98
  5. Step 5: Solve for x
    x = 15,369,474,150.98/148,767.49
  6. Step 6: Final answer
    x = 103,312.05

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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.