Home / 97,921.14-135,098.52-67,695.54

Finding the Fourth Proportional to 97,921.14, 135,098.52 and 67,695.54

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Solution

The fourth proportional to 97,921.14, 135,098.52 and 67,695.54 is: 93,397.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,921.14 : 135,098.52 = 67,695.54 : x
  2. Step 2: Convert to fraction form
    97,921.14/135,098.52 = 67,695.54/x
  3. Step 3: Cross multiply
    97,921.14x = 135,098.52 × 67,695.54
  4. Step 4: Simplify right side
    97,921.14x = 9,145,567,264.60
  5. Step 5: Solve for x
    x = 9,145,567,264.60/97,921.14
  6. Step 6: Final answer
    x = 93,397.27

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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.