Home / 119,764.36-165,275.88-66,048.04

Finding the Fourth Proportional to 119,764.36, 165,275.88 and 66,048.04

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Solution

The fourth proportional to 119,764.36, 165,275.88 and 66,048.04 is: 91,146.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,764.36 : 165,275.88 = 66,048.04 : x
  2. Step 2: Convert to fraction form
    119,764.36/165,275.88 = 66,048.04/x
  3. Step 3: Cross multiply
    119,764.36x = 165,275.88 × 66,048.04
  4. Step 4: Simplify right side
    119,764.36x = 10,916,147,933.28
  5. Step 5: Solve for x
    x = 10,916,147,933.28/119,764.36
  6. Step 6: Final answer
    x = 91,146.88

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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.