Home / 133,943.17-200,909.88-54,015.61

Finding the Fourth Proportional to 133,943.17, 200,909.88 and 54,015.61

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Solution

The fourth proportional to 133,943.17, 200,909.88 and 54,015.61 is: 81,021.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,943.17 : 200,909.88 = 54,015.61 : x
  2. Step 2: Convert to fraction form
    133,943.17/200,909.88 = 54,015.61/x
  3. Step 3: Cross multiply
    133,943.17x = 200,909.88 × 54,015.61
  4. Step 4: Simplify right side
    133,943.17x = 10,852,269,723.23
  5. Step 5: Solve for x
    x = 10,852,269,723.23/133,943.17
  6. Step 6: Final answer
    x = 81,021.45

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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.