Home / 189,396.52-261,358.32-108,767.20

Finding the Fourth Proportional to 189,396.52, 261,358.32 and 108,767.20

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Solution

The fourth proportional to 189,396.52, 261,358.32 and 108,767.20 is: 150,093.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,396.52 : 261,358.32 = 108,767.20 : x
  2. Step 2: Convert to fraction form
    189,396.52/261,358.32 = 108,767.20/x
  3. Step 3: Cross multiply
    189,396.52x = 261,358.32 × 108,767.20
  4. Step 4: Simplify right side
    189,396.52x = 28,427,212,663.10
  5. Step 5: Solve for x
    x = 28,427,212,663.10/189,396.52
  6. Step 6: Final answer
    x = 150,093.64

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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.