Home / 68,088.23-102,132.39-21,344.75

Finding the Fourth Proportional to 68,088.23, 102,132.39 and 21,344.75

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Solution

The fourth proportional to 68,088.23, 102,132.39 and 21,344.75 is: 32,017.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,088.23 : 102,132.39 = 21,344.75 : x
  2. Step 2: Convert to fraction form
    68,088.23/102,132.39 = 21,344.75/x
  3. Step 3: Cross multiply
    68,088.23x = 102,132.39 × 21,344.75
  4. Step 4: Simplify right side
    68,088.23x = 2,179,990,331.45
  5. Step 5: Solve for x
    x = 2,179,990,331.45/68,088.23
  6. Step 6: Final answer
    x = 32,017.14

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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.