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Finding the Fourth Proportional to 143,577.60, 214,977.60 and 112,473.60

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Solution

The fourth proportional to 143,577.60, 214,977.60 and 112,473.60 is: 168,405.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,577.60 : 214,977.60 = 112,473.60 : x
  2. Step 2: Convert to fraction form
    143,577.60/214,977.60 = 112,473.60/x
  3. Step 3: Cross multiply
    143,577.60x = 214,977.60 × 112,473.60
  4. Step 4: Simplify right side
    143,577.60x = 24,179,304,591.36
  5. Step 5: Solve for x
    x = 24,179,304,591.36/143,577.60
  6. Step 6: Final answer
    x = 168,405.83

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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.