Home / 199,433.11-299,084.74-66,277.62

Finding the Fourth Proportional to 199,433.11, 299,084.74 and 66,277.62

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Solution

The fourth proportional to 199,433.11, 299,084.74 and 66,277.62 is: 99,394.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,433.11 : 299,084.74 = 66,277.62 : x
  2. Step 2: Convert to fraction form
    199,433.11/299,084.74 = 66,277.62/x
  3. Step 3: Cross multiply
    199,433.11x = 299,084.74 × 66,277.62
  4. Step 4: Simplify right side
    199,433.11x = 19,822,624,745.52
  5. Step 5: Solve for x
    x = 19,822,624,745.52/199,433.11
  6. Step 6: Final answer
    x = 99,394.85

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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.