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Finding the Fourth Proportional to 143,251.50, 214,877.25 and 44,755.50

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Solution

The fourth proportional to 143,251.50, 214,877.25 and 44,755.50 is: 67,133.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,251.50 : 214,877.25 = 44,755.50 : x
  2. Step 2: Convert to fraction form
    143,251.50/214,877.25 = 44,755.50/x
  3. Step 3: Cross multiply
    143,251.50x = 214,877.25 × 44,755.50
  4. Step 4: Simplify right side
    143,251.50x = 9,616,938,762.38
  5. Step 5: Solve for x
    x = 9,616,938,762.38/143,251.50
  6. Step 6: Final answer
    x = 67,133.25

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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.