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Finding the Fourth Proportional to 143,327.80, 214,926.90 and 64,401.40

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Solution

The fourth proportional to 143,327.80, 214,926.90 and 64,401.40 is: 96,572.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,327.80 : 214,926.90 = 64,401.40 : x
  2. Step 2: Convert to fraction form
    143,327.80/214,926.90 = 64,401.40/x
  3. Step 3: Cross multiply
    143,327.80x = 214,926.90 × 64,401.40
  4. Step 4: Simplify right side
    143,327.80x = 13,841,593,257.66
  5. Step 5: Solve for x
    x = 13,841,593,257.66/143,327.80
  6. Step 6: Final answer
    x = 96,572.98

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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.