Home / 188,241.12-282,410.64-69,946.56

Finding the Fourth Proportional to 188,241.12, 282,410.64 and 69,946.56

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Solution

The fourth proportional to 188,241.12, 282,410.64 and 69,946.56 is: 104,938.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,241.12 : 282,410.64 = 69,946.56 : x
  2. Step 2: Convert to fraction form
    188,241.12/282,410.64 = 69,946.56/x
  3. Step 3: Cross multiply
    188,241.12x = 282,410.64 × 69,946.56
  4. Step 4: Simplify right side
    188,241.12x = 19,753,652,775.40
  5. Step 5: Solve for x
    x = 19,753,652,775.40/188,241.12
  6. Step 6: Final answer
    x = 104,938.03

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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.