Home / 109,738.13-151,450.91-61,994.55

Finding the Fourth Proportional to 109,738.13, 151,450.91 and 61,994.55

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Solution

The fourth proportional to 109,738.13, 151,450.91 and 61,994.55 is: 85,559.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,738.13 : 151,450.91 = 61,994.55 : x
  2. Step 2: Convert to fraction form
    109,738.13/151,450.91 = 61,994.55/x
  3. Step 3: Cross multiply
    109,738.13x = 151,450.91 × 61,994.55
  4. Step 4: Simplify right side
    109,738.13x = 9,389,131,012.54
  5. Step 5: Solve for x
    x = 9,389,131,012.54/109,738.13
  6. Step 6: Final answer
    x = 85,559.42

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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.