Home / 148,789.71-205,409.76-114,723.54

Finding the Fourth Proportional to 148,789.71, 205,409.76 and 114,723.54

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Solution

The fourth proportional to 148,789.71, 205,409.76 and 114,723.54 is: 158,380.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,789.71 : 205,409.76 = 114,723.54 : x
  2. Step 2: Convert to fraction form
    148,789.71/205,409.76 = 114,723.54/x
  3. Step 3: Cross multiply
    148,789.71x = 205,409.76 × 114,723.54
  4. Step 4: Simplify right side
    148,789.71x = 23,565,333,217.08
  5. Step 5: Solve for x
    x = 23,565,333,217.08/148,789.71
  6. Step 6: Final answer
    x = 158,380.13

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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.