Home / 165,039.39-227,759.78-93,417.87

Finding the Fourth Proportional to 165,039.39, 227,759.78 and 93,417.87

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Solution

The fourth proportional to 165,039.39, 227,759.78 and 93,417.87 is: 128,919.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,039.39 : 227,759.78 = 93,417.87 : x
  2. Step 2: Convert to fraction form
    165,039.39/227,759.78 = 93,417.87/x
  3. Step 3: Cross multiply
    165,039.39x = 227,759.78 × 93,417.87
  4. Step 4: Simplify right side
    165,039.39x = 21,276,834,606.91
  5. Step 5: Solve for x
    x = 21,276,834,606.91/165,039.39
  6. Step 6: Final answer
    x = 128,919.74

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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.