Home / 126,141.06-189,267.48-66,962.46

Finding the Fourth Proportional to 126,141.06, 189,267.48 and 66,962.46

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Solution

The fourth proportional to 126,141.06, 189,267.48 and 66,962.46 is: 100,473.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,141.06 : 189,267.48 = 66,962.46 : x
  2. Step 2: Convert to fraction form
    126,141.06/189,267.48 = 66,962.46/x
  3. Step 3: Cross multiply
    126,141.06x = 189,267.48 × 66,962.46
  4. Step 4: Simplify right side
    126,141.06x = 12,673,816,058.80
  5. Step 5: Solve for x
    x = 12,673,816,058.80/126,141.06
  6. Step 6: Final answer
    x = 100,473.36

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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.