Home / 188,238.28-259,777.30-112,785.16

Finding the Fourth Proportional to 188,238.28, 259,777.30 and 112,785.16

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Solution

The fourth proportional to 188,238.28, 259,777.30 and 112,785.16 is: 155,648.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,238.28 : 259,777.30 = 112,785.16 : x
  2. Step 2: Convert to fraction form
    188,238.28/259,777.30 = 112,785.16/x
  3. Step 3: Cross multiply
    188,238.28x = 259,777.30 × 112,785.16
  4. Step 4: Simplify right side
    188,238.28x = 29,299,024,344.87
  5. Step 5: Solve for x
    x = 29,299,024,344.87/188,238.28
  6. Step 6: Final answer
    x = 155,648.60

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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.