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Finding the Fourth Proportional to 143,837.00, 215,794.68 and 43,994.98

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Solution

The fourth proportional to 143,837.00, 215,794.68 and 43,994.98 is: 66,004.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,837.00 : 215,794.68 = 43,994.98 : x
  2. Step 2: Convert to fraction form
    143,837.00/215,794.68 = 43,994.98/x
  3. Step 3: Cross multiply
    143,837.00x = 215,794.68 × 43,994.98
  4. Step 4: Simplify right side
    143,837.00x = 9,493,881,331.76
  5. Step 5: Solve for x
    x = 9,493,881,331.76/143,837.00
  6. Step 6: Final answer
    x = 66,004.45

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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.