Home / 189,150.83-261,029.94-104,270.93

Finding the Fourth Proportional to 189,150.83, 261,029.94 and 104,270.93

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Solution

The fourth proportional to 189,150.83, 261,029.94 and 104,270.93 is: 143,894.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,150.83 : 261,029.94 = 104,270.93 : x
  2. Step 2: Convert to fraction form
    189,150.83/261,029.94 = 104,270.93/x
  3. Step 3: Cross multiply
    189,150.83x = 261,029.94 × 104,270.93
  4. Step 4: Simplify right side
    189,150.83x = 27,217,834,601.64
  5. Step 5: Solve for x
    x = 27,217,834,601.64/189,150.83
  6. Step 6: Final answer
    x = 143,894.87

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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.