Home / 242,922.88-335,234.16-135,499.87

Finding the Fourth Proportional to 242,922.88, 335,234.16 and 135,499.87

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Solution

The fourth proportional to 242,922.88, 335,234.16 and 135,499.87 is: 186,990.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,922.88 : 335,234.16 = 135,499.87 : x
  2. Step 2: Convert to fraction form
    242,922.88/335,234.16 = 135,499.87/x
  3. Step 3: Cross multiply
    242,922.88x = 335,234.16 × 135,499.87
  4. Step 4: Simplify right side
    242,922.88x = 45,424,185,099.56
  5. Step 5: Solve for x
    x = 45,424,185,099.56/242,922.88
  6. Step 6: Final answer
    x = 186,990.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.