Home / 148,289.63-204,639.87-80,306.71

Finding the Fourth Proportional to 148,289.63, 204,639.87 and 80,306.71

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Solution

The fourth proportional to 148,289.63, 204,639.87 and 80,306.71 is: 110,823.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,289.63 : 204,639.87 = 80,306.71 : x
  2. Step 2: Convert to fraction form
    148,289.63/204,639.87 = 80,306.71/x
  3. Step 3: Cross multiply
    148,289.63x = 204,639.87 × 80,306.71
  4. Step 4: Simplify right side
    148,289.63x = 16,433,954,694.53
  5. Step 5: Solve for x
    x = 16,433,954,694.53/148,289.63
  6. Step 6: Final answer
    x = 110,823.36

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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.