Home / 97,124.20-134,069.06-75,910.36

Finding the Fourth Proportional to 97,124.20, 134,069.06 and 75,910.36

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Solution

The fourth proportional to 97,124.20, 134,069.06 and 75,910.36 is: 104,785.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,124.20 : 134,069.06 = 75,910.36 : x
  2. Step 2: Convert to fraction form
    97,124.20/134,069.06 = 75,910.36/x
  3. Step 3: Cross multiply
    97,124.20x = 134,069.06 × 75,910.36
  4. Step 4: Simplify right side
    97,124.20x = 10,177,230,609.46
  5. Step 5: Solve for x
    x = 10,177,230,609.46/97,124.20
  6. Step 6: Final answer
    x = 104,785.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.