Home / 189,149.83-261,028.56-104,269.93

Finding the Fourth Proportional to 189,149.83, 261,028.56 and 104,269.93

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Solution

The fourth proportional to 189,149.83, 261,028.56 and 104,269.93 is: 143,893.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,149.83 : 261,028.56 = 104,269.93 : x
  2. Step 2: Convert to fraction form
    189,149.83/261,028.56 = 104,269.93/x
  3. Step 3: Cross multiply
    189,149.83x = 261,028.56 × 104,269.93
  4. Step 4: Simplify right side
    189,149.83x = 27,217,429,679.20
  5. Step 5: Solve for x
    x = 27,217,429,679.20/189,149.83
  6. Step 6: Final answer
    x = 143,893.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.