Home / 119,727.36-165,221.10-66,011.40

Finding the Fourth Proportional to 119,727.36, 165,221.10 and 66,011.40

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Solution

The fourth proportional to 119,727.36, 165,221.10 and 66,011.40 is: 91,094.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,727.36 : 165,221.10 = 66,011.40 : x
  2. Step 2: Convert to fraction form
    119,727.36/165,221.10 = 66,011.40/x
  3. Step 3: Cross multiply
    119,727.36x = 165,221.10 × 66,011.40
  4. Step 4: Simplify right side
    119,727.36x = 10,906,476,120.54
  5. Step 5: Solve for x
    x = 10,906,476,120.54/119,727.36
  6. Step 6: Final answer
    x = 91,094.27

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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.