Home / 131,284.66-196,885.68-42,517.66

Finding the Fourth Proportional to 131,284.66, 196,885.68 and 42,517.66

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Solution

The fourth proportional to 131,284.66, 196,885.68 and 42,517.66 is: 63,763.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,284.66 : 196,885.68 = 42,517.66 : x
  2. Step 2: Convert to fraction form
    131,284.66/196,885.68 = 42,517.66/x
  3. Step 3: Cross multiply
    131,284.66x = 196,885.68 × 42,517.66
  4. Step 4: Simplify right side
    131,284.66x = 8,371,118,401.11
  5. Step 5: Solve for x
    x = 8,371,118,401.11/131,284.66
  6. Step 6: Final answer
    x = 63,763.11

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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.