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Finding the Fourth Proportional to 188,850.90, 283,276.35 and 109,025.40

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Solution

The fourth proportional to 188,850.90, 283,276.35 and 109,025.40 is: 163,538.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,850.90 : 283,276.35 = 109,025.40 : x
  2. Step 2: Convert to fraction form
    188,850.90/283,276.35 = 109,025.40/x
  3. Step 3: Cross multiply
    188,850.90x = 283,276.35 × 109,025.40
  4. Step 4: Simplify right side
    188,850.90x = 30,884,317,369.29
  5. Step 5: Solve for x
    x = 30,884,317,369.29/188,850.90
  6. Step 6: Final answer
    x = 163,538.10

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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.