Home / 119,715.93-165,207.06-66,003.21

Finding the Fourth Proportional to 119,715.93, 165,207.06 and 66,003.21

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Solution

The fourth proportional to 119,715.93, 165,207.06 and 66,003.21 is: 91,083.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,715.93 : 165,207.06 = 66,003.21 : x
  2. Step 2: Convert to fraction form
    119,715.93/165,207.06 = 66,003.21/x
  3. Step 3: Cross multiply
    119,715.93x = 165,207.06 × 66,003.21
  4. Step 4: Simplify right side
    119,715.93x = 10,904,196,274.66
  5. Step 5: Solve for x
    x = 10,904,196,274.66/119,715.93
  6. Step 6: Final answer
    x = 91,083.92

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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.