Home / 148,943.73-205,541.95-80,960.70

Finding the Fourth Proportional to 148,943.73, 205,541.95 and 80,960.70

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Solution

The fourth proportional to 148,943.73, 205,541.95 and 80,960.70 is: 111,725.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,943.73 : 205,541.95 = 80,960.70 : x
  2. Step 2: Convert to fraction form
    148,943.73/205,541.95 = 80,960.70/x
  3. Step 3: Cross multiply
    148,943.73x = 205,541.95 × 80,960.70
  4. Step 4: Simplify right side
    148,943.73x = 16,640,820,151.37
  5. Step 5: Solve for x
    x = 16,640,820,151.37/148,943.73
  6. Step 6: Final answer
    x = 111,725.55

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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.