Home / 126,027.31-189,044.57-47,126.47

Finding the Fourth Proportional to 126,027.31, 189,044.57 and 47,126.47

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Solution

The fourth proportional to 126,027.31, 189,044.57 and 47,126.47 is: 70,691.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,027.31 : 189,044.57 = 47,126.47 : x
  2. Step 2: Convert to fraction form
    126,027.31/189,044.57 = 47,126.47/x
  3. Step 3: Cross multiply
    126,027.31x = 189,044.57 × 47,126.47
  4. Step 4: Simplify right side
    126,027.31x = 8,909,003,256.77
  5. Step 5: Solve for x
    x = 8,909,003,256.77/126,027.31
  6. Step 6: Final answer
    x = 70,691.05

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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.