Home / 126,044.74-189,013.65-47,103.76

Finding the Fourth Proportional to 126,044.74, 189,013.65 and 47,103.76

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Solution

The fourth proportional to 126,044.74, 189,013.65 and 47,103.76 is: 70,635.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,044.74 : 189,013.65 = 47,103.76 : x
  2. Step 2: Convert to fraction form
    126,044.74/189,013.65 = 47,103.76/x
  3. Step 3: Cross multiply
    126,044.74x = 189,013.65 × 47,103.76
  4. Step 4: Simplify right side
    126,044.74x = 8,903,253,606.32
  5. Step 5: Solve for x
    x = 8,903,253,606.32/126,044.74
  6. Step 6: Final answer
    x = 70,635.66

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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.