Home / 259,120.84-388,497.12-99,061.82

Finding the Fourth Proportional to 259,120.84, 388,497.12 and 99,061.82

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Solution

The fourth proportional to 259,120.84, 388,497.12 and 99,061.82 is: 148,522.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,120.84 : 388,497.12 = 99,061.82 : x
  2. Step 2: Convert to fraction form
    259,120.84/388,497.12 = 99,061.82/x
  3. Step 3: Cross multiply
    259,120.84x = 388,497.12 × 99,061.82
  4. Step 4: Simplify right side
    259,120.84x = 38,485,231,771.96
  5. Step 5: Solve for x
    x = 38,485,231,771.96/259,120.84
  6. Step 6: Final answer
    x = 148,522.33

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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.