Home / 208,398.56-312,179.16-95,921.60

Finding the Fourth Proportional to 208,398.56, 312,179.16 and 95,921.60

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Solution

The fourth proportional to 208,398.56, 312,179.16 and 95,921.60 is: 143,689.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,398.56 : 312,179.16 = 95,921.60 : x
  2. Step 2: Convert to fraction form
    208,398.56/312,179.16 = 95,921.60/x
  3. Step 3: Cross multiply
    208,398.56x = 312,179.16 × 95,921.60
  4. Step 4: Simplify right side
    208,398.56x = 29,944,724,513.86
  5. Step 5: Solve for x
    x = 29,944,724,513.86/208,398.56
  6. Step 6: Final answer
    x = 143,689.69

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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.