Home / 68,116.17-102,190.65-21,369.03

Finding the Fourth Proportional to 68,116.17, 102,190.65 and 21,369.03

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Solution

The fourth proportional to 68,116.17, 102,190.65 and 21,369.03 is: 32,058.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,116.17 : 102,190.65 = 21,369.03 : x
  2. Step 2: Convert to fraction form
    68,116.17/102,190.65 = 21,369.03/x
  3. Step 3: Cross multiply
    68,116.17x = 102,190.65 × 21,369.03
  4. Step 4: Simplify right side
    68,116.17x = 2,183,715,065.57
  5. Step 5: Solve for x
    x = 2,183,715,065.57/68,116.17
  6. Step 6: Final answer
    x = 32,058.69

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1.5x scale

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.