Home / 189,125.42-260,908.90-108,533.66

Finding the Fourth Proportional to 189,125.42, 260,908.90 and 108,533.66

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Solution

The fourth proportional to 189,125.42, 260,908.90 and 108,533.66 is: 149,728.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,125.42 : 260,908.90 = 108,533.66 : x
  2. Step 2: Convert to fraction form
    189,125.42/260,908.90 = 108,533.66/x
  3. Step 3: Cross multiply
    189,125.42x = 260,908.90 × 108,533.66
  4. Step 4: Simplify right side
    189,125.42x = 28,317,396,267.70
  5. Step 5: Solve for x
    x = 28,317,396,267.70/189,125.42
  6. Step 6: Final answer
    x = 149,728.14

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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.