Home / 126,109.32-189,174.74-36,152.34

Finding the Fourth Proportional to 126,109.32, 189,174.74 and 36,152.34

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Solution

The fourth proportional to 126,109.32, 189,174.74 and 36,152.34 is: 54,231.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,109.32 : 189,174.74 = 36,152.34 : x
  2. Step 2: Convert to fraction form
    126,109.32/189,174.74 = 36,152.34/x
  3. Step 3: Cross multiply
    126,109.32x = 189,174.74 × 36,152.34
  4. Step 4: Simplify right side
    126,109.32x = 6,839,109,519.89
  5. Step 5: Solve for x
    x = 6,839,109,519.89/126,109.32
  6. Step 6: Final answer
    x = 54,231.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.