Home / 119,713.95-165,215.09-66,004.07

Finding the Fourth Proportional to 119,713.95, 165,215.09 and 66,004.07

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Solution

The fourth proportional to 119,713.95, 165,215.09 and 66,004.07 is: 91,091.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,713.95 : 165,215.09 = 66,004.07 : x
  2. Step 2: Convert to fraction form
    119,713.95/165,215.09 = 66,004.07/x
  3. Step 3: Cross multiply
    119,713.95x = 165,215.09 × 66,004.07
  4. Step 4: Simplify right side
    119,713.95x = 10,904,867,704.35
  5. Step 5: Solve for x
    x = 10,904,867,704.35/119,713.95
  6. Step 6: Final answer
    x = 91,091.04

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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.