Home / 148,451.85-204,859.67-80,465.85

Finding the Fourth Proportional to 148,451.85, 204,859.67 and 80,465.85

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Solution

The fourth proportional to 148,451.85, 204,859.67 and 80,465.85 is: 111,040.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,451.85 : 204,859.67 = 80,465.85 : x
  2. Step 2: Convert to fraction form
    148,451.85/204,859.67 = 80,465.85/x
  3. Step 3: Cross multiply
    148,451.85x = 204,859.67 × 80,465.85
  4. Step 4: Simplify right side
    148,451.85x = 16,484,207,074.94
  5. Step 5: Solve for x
    x = 16,484,207,074.94/148,451.85
  6. Step 6: Final answer
    x = 111,040.77

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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.