Home / 148,937.72-205,535.16-80,954.68

Finding the Fourth Proportional to 148,937.72, 205,535.16 and 80,954.68

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Solution

The fourth proportional to 148,937.72, 205,535.16 and 80,954.68 is: 111,718.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,937.72 : 205,535.16 = 80,954.68 : x
  2. Step 2: Convert to fraction form
    148,937.72/205,535.16 = 80,954.68/x
  3. Step 3: Cross multiply
    148,937.72x = 205,535.16 × 80,954.68
  4. Step 4: Simplify right side
    148,937.72x = 16,639,033,106.55
  5. Step 5: Solve for x
    x = 16,639,033,106.55/148,937.72
  6. Step 6: Final answer
    x = 111,718.06

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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.