Home / 126,536.22-189,742.37-42,267.47

Finding the Fourth Proportional to 126,536.22, 189,742.37 and 42,267.47

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Solution

The fourth proportional to 126,536.22, 189,742.37 and 42,267.47 is: 63,380.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,536.22 : 189,742.37 = 42,267.47 : x
  2. Step 2: Convert to fraction form
    126,536.22/189,742.37 = 42,267.47/x
  3. Step 3: Cross multiply
    126,536.22x = 189,742.37 × 42,267.47
  4. Step 4: Simplify right side
    126,536.22x = 8,019,928,771.65
  5. Step 5: Solve for x
    x = 8,019,928,771.65/126,536.22
  6. Step 6: Final answer
    x = 63,380.50

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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.