Home / 126,013.01-189,098.63-51,133.46

Finding the Fourth Proportional to 126,013.01, 189,098.63 and 51,133.46

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Solution

The fourth proportional to 126,013.01, 189,098.63 and 51,133.46 is: 76,732.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,013.01 : 189,098.63 = 51,133.46 : x
  2. Step 2: Convert to fraction form
    126,013.01/189,098.63 = 51,133.46/x
  3. Step 3: Cross multiply
    126,013.01x = 189,098.63 × 51,133.46
  4. Step 4: Simplify right side
    126,013.01x = 9,669,266,032.00
  5. Step 5: Solve for x
    x = 9,669,266,032.00/126,013.01
  6. Step 6: Final answer
    x = 76,732.29

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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.