Home / 115,964.10-173,816.55-49,392.90

Finding the Fourth Proportional to 115,964.10, 173,816.55 and 49,392.90

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Solution

The fourth proportional to 115,964.10, 173,816.55 and 49,392.90 is: 74,034.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,964.10 : 173,816.55 = 49,392.90 : x
  2. Step 2: Convert to fraction form
    115,964.10/173,816.55 = 49,392.90/x
  3. Step 3: Cross multiply
    115,964.10x = 173,816.55 × 49,392.90
  4. Step 4: Simplify right side
    115,964.10x = 8,585,303,472.50
  5. Step 5: Solve for x
    x = 8,585,303,472.50/115,964.10
  6. Step 6: Final answer
    x = 74,034.15

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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.