Home / 119,688.06-165,108.83-91,344.54

Finding the Fourth Proportional to 119,688.06, 165,108.83 and 91,344.54

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Solution

The fourth proportional to 119,688.06, 165,108.83 and 91,344.54 is: 126,009.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,688.06 : 165,108.83 = 91,344.54 : x
  2. Step 2: Convert to fraction form
    119,688.06/165,108.83 = 91,344.54/x
  3. Step 3: Cross multiply
    119,688.06x = 165,108.83 × 91,344.54
  4. Step 4: Simplify right side
    119,688.06x = 15,081,789,669.57
  5. Step 5: Solve for x
    x = 15,081,789,669.57/119,688.06
  6. Step 6: Final answer
    x = 126,009.14

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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.