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Finding the Fourth Proportional to 188,037.20, 282,120.60 and 82,931.60

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Solution

The fourth proportional to 188,037.20, 282,120.60 and 82,931.60 is: 124,425.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,037.20 : 282,120.60 = 82,931.60 : x
  2. Step 2: Convert to fraction form
    188,037.20/282,120.60 = 82,931.60/x
  3. Step 3: Cross multiply
    188,037.20x = 282,120.60 × 82,931.60
  4. Step 4: Simplify right side
    188,037.20x = 23,396,712,750.96
  5. Step 5: Solve for x
    x = 23,396,712,750.96/188,037.20
  6. Step 6: Final answer
    x = 124,425.98

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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.