Home / 68,091.42-102,153.53-21,344.30

Finding the Fourth Proportional to 68,091.42, 102,153.53 and 21,344.30

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Solution

The fourth proportional to 68,091.42, 102,153.53 and 21,344.30 is: 32,021.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,091.42 : 102,153.53 = 21,344.30 : x
  2. Step 2: Convert to fraction form
    68,091.42/102,153.53 = 21,344.30/x
  3. Step 3: Cross multiply
    68,091.42x = 102,153.53 × 21,344.30
  4. Step 4: Simplify right side
    68,091.42x = 2,180,395,312.36
  5. Step 5: Solve for x
    x = 2,180,395,312.36/68,091.42
  6. Step 6: Final answer
    x = 32,021.59

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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.