Home / 68,232.35-102,364.10-20,854.18

Finding the Fourth Proportional to 68,232.35, 102,364.10 and 20,854.18

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Solution

The fourth proportional to 68,232.35, 102,364.10 and 20,854.18 is: 31,286.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,232.35 : 102,364.10 = 20,854.18 : x
  2. Step 2: Convert to fraction form
    68,232.35/102,364.10 = 20,854.18/x
  3. Step 3: Cross multiply
    68,232.35x = 102,364.10 × 20,854.18
  4. Step 4: Simplify right side
    68,232.35x = 2,134,719,262.67
  5. Step 5: Solve for x
    x = 2,134,719,262.67/68,232.35
  6. Step 6: Final answer
    x = 31,286.03

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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.