Home / 119,830.84-165,367.09-66,115.83

Finding the Fourth Proportional to 119,830.84, 165,367.09 and 66,115.83

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Solution

The fourth proportional to 119,830.84, 165,367.09 and 66,115.83 is: 91,240.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,830.84 : 165,367.09 = 66,115.83 : x
  2. Step 2: Convert to fraction form
    119,830.84/165,367.09 = 66,115.83/x
  3. Step 3: Cross multiply
    119,830.84x = 165,367.09 × 66,115.83
  4. Step 4: Simplify right side
    119,830.84x = 10,933,382,410.03
  5. Step 5: Solve for x
    x = 10,933,382,410.03/119,830.84
  6. Step 6: Final answer
    x = 91,240.14

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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.