Home / 230,037.22-345,141.50-103,639.56

Finding the Fourth Proportional to 230,037.22, 345,141.50 and 103,639.56

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Solution

The fourth proportional to 230,037.22, 345,141.50 and 103,639.56 is: 155,497.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,037.22 : 345,141.50 = 103,639.56 : x
  2. Step 2: Convert to fraction form
    230,037.22/345,141.50 = 103,639.56/x
  3. Step 3: Cross multiply
    230,037.22x = 345,141.50 × 103,639.56
  4. Step 4: Simplify right side
    230,037.22x = 35,770,313,197.74
  5. Step 5: Solve for x
    x = 35,770,313,197.74/230,037.22
  6. Step 6: Final answer
    x = 155,497.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.