Home / 148,937.78-205,535.52-80,954.92

Finding the Fourth Proportional to 148,937.78, 205,535.52 and 80,954.92

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Solution

The fourth proportional to 148,937.78, 205,535.52 and 80,954.92 is: 111,718.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,937.78 : 205,535.52 = 80,954.92 : x
  2. Step 2: Convert to fraction form
    148,937.78/205,535.52 = 80,954.92/x
  3. Step 3: Cross multiply
    148,937.78x = 205,535.52 × 80,954.92
  4. Step 4: Simplify right side
    148,937.78x = 16,639,111,028.26
  5. Step 5: Solve for x
    x = 16,639,111,028.26/148,937.78
  6. Step 6: Final answer
    x = 111,718.53

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1.5x scale

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.