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Finding the Fourth Proportional to 143,181.78, 214,710 and 58,885.62

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Solution

The fourth proportional to 143,181.78, 214,710 and 58,885.62 is: 88,302.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,181.78 : 214,710 = 58,885.62 : x
  2. Step 2: Convert to fraction form
    143,181.78/214,710 = 58,885.62/x
  3. Step 3: Cross multiply
    143,181.78x = 214,710 × 58,885.62
  4. Step 4: Simplify right side
    143,181.78x = 12,643,331,470.20
  5. Step 5: Solve for x
    x = 12,643,331,470.20/143,181.78
  6. Step 6: Final answer
    x = 88,302.66

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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.