Home / 119,908.59-165,462.06-66,190.14

Finding the Fourth Proportional to 119,908.59, 165,462.06 and 66,190.14

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Solution

The fourth proportional to 119,908.59, 165,462.06 and 66,190.14 is: 91,335.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,908.59 : 165,462.06 = 66,190.14 : x
  2. Step 2: Convert to fraction form
    119,908.59/165,462.06 = 66,190.14/x
  3. Step 3: Cross multiply
    119,908.59x = 165,462.06 × 66,190.14
  4. Step 4: Simplify right side
    119,908.59x = 10,951,956,916.09
  5. Step 5: Solve for x
    x = 10,951,956,916.09/119,908.59
  6. Step 6: Final answer
    x = 91,335.88

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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.