Home / 68,258.94-102,318.18-26,129.10

Finding the Fourth Proportional to 68,258.94, 102,318.18 and 26,129.10

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Solution

The fourth proportional to 68,258.94, 102,318.18 and 26,129.10 is: 39,166.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,258.94 : 102,318.18 = 26,129.10 : x
  2. Step 2: Convert to fraction form
    68,258.94/102,318.18 = 26,129.10/x
  3. Step 3: Cross multiply
    68,258.94x = 102,318.18 × 26,129.10
  4. Step 4: Simplify right side
    68,258.94x = 2,673,481,957.04
  5. Step 5: Solve for x
    x = 2,673,481,957.04/68,258.94
  6. Step 6: Final answer
    x = 39,166.77

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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.