Home / 101,922.07-140,719.07-66,213.85

Finding the Fourth Proportional to 101,922.07, 140,719.07 and 66,213.85

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Solution

The fourth proportional to 101,922.07, 140,719.07 and 66,213.85 is: 91,418.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,922.07 : 140,719.07 = 66,213.85 : x
  2. Step 2: Convert to fraction form
    101,922.07/140,719.07 = 66,213.85/x
  3. Step 3: Cross multiply
    101,922.07x = 140,719.07 × 66,213.85
  4. Step 4: Simplify right side
    101,922.07x = 9,317,550,358.45
  5. Step 5: Solve for x
    x = 9,317,550,358.45/101,922.07
  6. Step 6: Final answer
    x = 91,418.38

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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.