Home / 108,665.14-162,983.87-42,059.70

Finding the Fourth Proportional to 108,665.14, 162,983.87 and 42,059.70

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Solution

The fourth proportional to 108,665.14, 162,983.87 and 42,059.70 is: 63,084.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,665.14 : 162,983.87 = 42,059.70 : x
  2. Step 2: Convert to fraction form
    108,665.14/162,983.87 = 42,059.70/x
  3. Step 3: Cross multiply
    108,665.14x = 162,983.87 × 42,059.70
  4. Step 4: Simplify right side
    108,665.14x = 6,855,052,979.35
  5. Step 5: Solve for x
    x = 6,855,052,979.35/108,665.14
  6. Step 6: Final answer
    x = 63,084.19

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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.