Home / 97,127.20-134,073.20-75,913.36

Finding the Fourth Proportional to 97,127.20, 134,073.20 and 75,913.36

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Solution

The fourth proportional to 97,127.20, 134,073.20 and 75,913.36 is: 104,789.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,127.20 : 134,073.20 = 75,913.36 : x
  2. Step 2: Convert to fraction form
    97,127.20/134,073.20 = 75,913.36/x
  3. Step 3: Cross multiply
    97,127.20x = 134,073.20 × 75,913.36
  4. Step 4: Simplify right side
    97,127.20x = 10,177,947,097.95
  5. Step 5: Solve for x
    x = 10,177,947,097.95/97,127.20
  6. Step 6: Final answer
    x = 104,789.87

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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.