Home / 189,890.24-262,035.60-105,006.56

Finding the Fourth Proportional to 189,890.24, 262,035.60 and 105,006.56

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Solution

The fourth proportional to 189,890.24, 262,035.60 and 105,006.56 is: 144,901.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,890.24 : 262,035.60 = 105,006.56 : x
  2. Step 2: Convert to fraction form
    189,890.24/262,035.60 = 105,006.56/x
  3. Step 3: Cross multiply
    189,890.24x = 262,035.60 × 105,006.56
  4. Step 4: Simplify right side
    189,890.24x = 27,515,456,953.54
  5. Step 5: Solve for x
    x = 27,515,456,953.54/189,890.24
  6. Step 6: Final answer
    x = 144,901.90

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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.