Home / 68,131.50-102,196.53-26,607.66

Finding the Fourth Proportional to 68,131.50, 102,196.53 and 26,607.66

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Solution

The fourth proportional to 68,131.50, 102,196.53 and 26,607.66 is: 39,911.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,131.50 : 102,196.53 = 26,607.66 : x
  2. Step 2: Convert to fraction form
    68,131.50/102,196.53 = 26,607.66/x
  3. Step 3: Cross multiply
    68,131.50x = 102,196.53 × 26,607.66
  4. Step 4: Simplify right side
    68,131.50x = 2,719,210,523.42
  5. Step 5: Solve for x
    x = 2,719,210,523.42/68,131.50
  6. Step 6: Final answer
    x = 39,911.21

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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.