Home / 105,935.12-158,923.16-40,266

Finding the Fourth Proportional to 105,935.12, 158,923.16 and 40,266

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Solution

The fourth proportional to 105,935.12, 158,923.16 and 40,266 is: 60,406.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,935.12 : 158,923.16 = 40,266 : x
  2. Step 2: Convert to fraction form
    105,935.12/158,923.16 = 40,266/x
  3. Step 3: Cross multiply
    105,935.12x = 158,923.16 × 40,266
  4. Step 4: Simplify right side
    105,935.12x = 6,399,199,960.56
  5. Step 5: Solve for x
    x = 6,399,199,960.56/105,935.12
  6. Step 6: Final answer
    x = 60,406.78

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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.