Home / 189,263.57-261,189.56-108,707.25

Finding the Fourth Proportional to 189,263.57, 261,189.56 and 108,707.25

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Solution

The fourth proportional to 189,263.57, 261,189.56 and 108,707.25 is: 150,019.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,263.57 : 261,189.56 = 108,707.25 : x
  2. Step 2: Convert to fraction form
    189,263.57/261,189.56 = 108,707.25/x
  3. Step 3: Cross multiply
    189,263.57x = 261,189.56 × 108,707.25
  4. Step 4: Simplify right side
    189,263.57x = 28,393,198,252.77
  5. Step 5: Solve for x
    x = 28,393,198,252.77/189,263.57
  6. Step 6: Final answer
    x = 150,019.36

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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.