Home / 119,837.61-165,374.87-66,123.14

Finding the Fourth Proportional to 119,837.61, 165,374.87 and 66,123.14

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Solution

The fourth proportional to 119,837.61, 165,374.87 and 66,123.14 is: 91,249.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,837.61 : 165,374.87 = 66,123.14 : x
  2. Step 2: Convert to fraction form
    119,837.61/165,374.87 = 66,123.14/x
  3. Step 3: Cross multiply
    119,837.61x = 165,374.87 × 66,123.14
  4. Step 4: Simplify right side
    119,837.61x = 10,935,104,524.00
  5. Step 5: Solve for x
    x = 10,935,104,524.00/119,837.61
  6. Step 6: Final answer
    x = 91,249.35

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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.