Home / 68,269.89-102,334.16-26,139.76

Finding the Fourth Proportional to 68,269.89, 102,334.16 and 26,139.76

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Solution

The fourth proportional to 68,269.89, 102,334.16 and 26,139.76 is: 39,182.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,269.89 : 102,334.16 = 26,139.76 : x
  2. Step 2: Convert to fraction form
    68,269.89/102,334.16 = 26,139.76/x
  3. Step 3: Cross multiply
    68,269.89x = 102,334.16 × 26,139.76
  4. Step 4: Simplify right side
    68,269.89x = 2,674,990,251.50
  5. Step 5: Solve for x
    x = 2,674,990,251.50/68,269.89
  6. Step 6: Final answer
    x = 39,182.58

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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.