Home / 188,826.12-260,572.28-108,197.51

Finding the Fourth Proportional to 188,826.12, 260,572.28 and 108,197.51

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Solution

The fourth proportional to 188,826.12, 260,572.28 and 108,197.51 is: 149,308.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,826.12 : 260,572.28 = 108,197.51 : x
  2. Step 2: Convert to fraction form
    188,826.12/260,572.28 = 108,197.51/x
  3. Step 3: Cross multiply
    188,826.12x = 260,572.28 × 108,197.51
  4. Step 4: Simplify right side
    188,826.12x = 28,193,270,027.17
  5. Step 5: Solve for x
    x = 28,193,270,027.17/188,826.12
  6. Step 6: Final answer
    x = 149,308.10

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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.