Home / 143,273.94-214,854.75-84,124.50

Finding the Fourth Proportional to 143,273.94, 214,854.75 and 84,124.50

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Solution

The fourth proportional to 143,273.94, 214,854.75 and 84,124.50 is: 126,153.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,273.94 : 214,854.75 = 84,124.50 : x
  2. Step 2: Convert to fraction form
    143,273.94/214,854.75 = 84,124.50/x
  3. Step 3: Cross multiply
    143,273.94x = 214,854.75 × 84,124.50
  4. Step 4: Simplify right side
    143,273.94x = 18,074,548,416.38
  5. Step 5: Solve for x
    x = 18,074,548,416.38/143,273.94
  6. Step 6: Final answer
    x = 126,153.78

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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.