Home / 148,626.04-205,102.56-80,642.56

Finding the Fourth Proportional to 148,626.04, 205,102.56 and 80,642.56

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Solution

The fourth proportional to 148,626.04, 205,102.56 and 80,642.56 is: 111,285.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,626.04 : 205,102.56 = 80,642.56 : x
  2. Step 2: Convert to fraction form
    148,626.04/205,102.56 = 80,642.56/x
  3. Step 3: Cross multiply
    148,626.04x = 205,102.56 × 80,642.56
  4. Step 4: Simplify right side
    148,626.04x = 16,539,995,500.95
  5. Step 5: Solve for x
    x = 16,539,995,500.95/148,626.04
  6. Step 6: Final answer
    x = 111,285.99

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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.