Home / 112,136.40-154,760.58-69,107.22

Finding the Fourth Proportional to 112,136.40, 154,760.58 and 69,107.22

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Solution

The fourth proportional to 112,136.40, 154,760.58 and 69,107.22 is: 95,375.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,136.40 : 154,760.58 = 69,107.22 : x
  2. Step 2: Convert to fraction form
    112,136.40/154,760.58 = 69,107.22/x
  3. Step 3: Cross multiply
    112,136.40x = 154,760.58 × 69,107.22
  4. Step 4: Simplify right side
    112,136.40x = 10,695,073,449.39
  5. Step 5: Solve for x
    x = 10,695,073,449.39/112,136.40
  6. Step 6: Final answer
    x = 95,375.57

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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.