Home / 204,140.84-306,206.34-143,920.58

Finding the Fourth Proportional to 204,140.84, 306,206.34 and 143,920.58

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Solution

The fourth proportional to 204,140.84, 306,206.34 and 143,920.58 is: 215,877.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,140.84 : 306,206.34 = 143,920.58 : x
  2. Step 2: Convert to fraction form
    204,140.84/306,206.34 = 143,920.58/x
  3. Step 3: Cross multiply
    204,140.84x = 306,206.34 × 143,920.58
  4. Step 4: Simplify right side
    204,140.84x = 44,069,394,052.48
  5. Step 5: Solve for x
    x = 44,069,394,052.48/204,140.84
  6. Step 6: Final answer
    x = 215,877.40

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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.