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Finding the Fourth Proportional to 164,952.78, 247,382.73 and 80,667.42

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Solution

The fourth proportional to 164,952.78, 247,382.73 and 80,667.42 is: 120,978.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,952.78 : 247,382.73 = 80,667.42 : x
  2. Step 2: Convert to fraction form
    164,952.78/247,382.73 = 80,667.42/x
  3. Step 3: Cross multiply
    164,952.78x = 247,382.73 × 80,667.42
  4. Step 4: Simplify right side
    164,952.78x = 19,955,726,581.66
  5. Step 5: Solve for x
    x = 19,955,726,581.66/164,952.78
  6. Step 6: Final answer
    x = 120,978.42

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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.