Home / 68,288.54-102,431.59-26,157.20

Finding the Fourth Proportional to 68,288.54, 102,431.59 and 26,157.20

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Solution

The fourth proportional to 68,288.54, 102,431.59 and 26,157.20 is: 39,235.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,288.54 : 102,431.59 = 26,157.20 : x
  2. Step 2: Convert to fraction form
    68,288.54/102,431.59 = 26,157.20/x
  3. Step 3: Cross multiply
    68,288.54x = 102,431.59 × 26,157.20
  4. Step 4: Simplify right side
    68,288.54x = 2,679,323,008.40
  5. Step 5: Solve for x
    x = 2,679,323,008.40/68,288.54
  6. Step 6: Final answer
    x = 39,235.33

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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.