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Finding the Fourth Proportional to 143,274.30, 214,911.45 and 92,754.60

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Solution

The fourth proportional to 143,274.30, 214,911.45 and 92,754.60 is: 139,131.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,274.30 : 214,911.45 = 92,754.60 : x
  2. Step 2: Convert to fraction form
    143,274.30/214,911.45 = 92,754.60/x
  3. Step 3: Cross multiply
    143,274.30x = 214,911.45 × 92,754.60
  4. Step 4: Simplify right side
    143,274.30x = 19,934,025,580.17
  5. Step 5: Solve for x
    x = 19,934,025,580.17/143,274.30
  6. Step 6: Final answer
    x = 139,131.90

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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.