Home / 155,801.84-215,022.60-95,412.56

Finding the Fourth Proportional to 155,801.84, 215,022.60 and 95,412.56

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Solution

The fourth proportional to 155,801.84, 215,022.60 and 95,412.56 is: 131,679.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,801.84 : 215,022.60 = 95,412.56 : x
  2. Step 2: Convert to fraction form
    155,801.84/215,022.60 = 95,412.56/x
  3. Step 3: Cross multiply
    155,801.84x = 215,022.60 × 95,412.56
  4. Step 4: Simplify right side
    155,801.84x = 20,515,856,723.86
  5. Step 5: Solve for x
    x = 20,515,856,723.86/155,801.84
  6. Step 6: Final answer
    x = 131,679.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.