Home / 68,162.08-102,256.96-28,719.18

Finding the Fourth Proportional to 68,162.08, 102,256.96 and 28,719.18

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Solution

The fourth proportional to 68,162.08, 102,256.96 and 28,719.18 is: 43,084.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,162.08 : 102,256.96 = 28,719.18 : x
  2. Step 2: Convert to fraction form
    68,162.08/102,256.96 = 28,719.18/x
  3. Step 3: Cross multiply
    68,162.08x = 102,256.96 × 28,719.18
  4. Step 4: Simplify right side
    68,162.08x = 2,936,736,040.49
  5. Step 5: Solve for x
    x = 2,936,736,040.49/68,162.08
  6. Step 6: Final answer
    x = 43,084.60

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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.