Home / 189,132.48-260,992.08-108,542.88

Finding the Fourth Proportional to 189,132.48, 260,992.08 and 108,542.88

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Solution

The fourth proportional to 189,132.48, 260,992.08 and 108,542.88 is: 149,783.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,132.48 : 260,992.08 = 108,542.88 : x
  2. Step 2: Convert to fraction form
    189,132.48/260,992.08 = 108,542.88/x
  3. Step 3: Cross multiply
    189,132.48x = 260,992.08 × 108,542.88
  4. Step 4: Simplify right side
    189,132.48x = 28,328,832,020.39
  5. Step 5: Solve for x
    x = 28,328,832,020.39/189,132.48
  6. Step 6: Final answer
    x = 149,783.01

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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.