Home / 188,829.60-283,244.40-142,173.60

Finding the Fourth Proportional to 188,829.60, 283,244.40 and 142,173.60

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Solution

The fourth proportional to 188,829.60, 283,244.40 and 142,173.60 is: 213,260.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,829.60 : 283,244.40 = 142,173.60 : x
  2. Step 2: Convert to fraction form
    188,829.60/283,244.40 = 142,173.60/x
  3. Step 3: Cross multiply
    188,829.60x = 283,244.40 × 142,173.60
  4. Step 4: Simplify right side
    188,829.60x = 40,269,876,027.84
  5. Step 5: Solve for x
    x = 40,269,876,027.84/188,829.60
  6. Step 6: Final answer
    x = 213,260.40

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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.