Home / 97,947.60-135,097.68-89,906.82

Finding the Fourth Proportional to 97,947.60, 135,097.68 and 89,906.82

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Solution

The fourth proportional to 97,947.60, 135,097.68 and 89,906.82 is: 124,007.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,947.60 : 135,097.68 = 89,906.82 : x
  2. Step 2: Convert to fraction form
    97,947.60/135,097.68 = 89,906.82/x
  3. Step 3: Cross multiply
    97,947.60x = 135,097.68 × 89,906.82
  4. Step 4: Simplify right side
    97,947.60x = 12,146,202,798.18
  5. Step 5: Solve for x
    x = 12,146,202,798.18/97,947.60
  6. Step 6: Final answer
    x = 124,007.15

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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.