Home / 126,031.33-189,076.16-73,485.01

Finding the Fourth Proportional to 126,031.33, 189,076.16 and 73,485.01

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Solution

The fourth proportional to 126,031.33, 189,076.16 and 73,485.01 is: 110,244.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,031.33 : 189,076.16 = 73,485.01 : x
  2. Step 2: Convert to fraction form
    126,031.33/189,076.16 = 73,485.01/x
  3. Step 3: Cross multiply
    126,031.33x = 189,076.16 × 73,485.01
  4. Step 4: Simplify right side
    126,031.33x = 13,894,263,508.36
  5. Step 5: Solve for x
    x = 13,894,263,508.36/126,031.33
  6. Step 6: Final answer
    x = 110,244.52

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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.