Home / 119,817.36-165,346.92-66,102.75

Finding the Fourth Proportional to 119,817.36, 165,346.92 and 66,102.75

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Solution

The fourth proportional to 119,817.36, 165,346.92 and 66,102.75 is: 91,221.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,817.36 : 165,346.92 = 66,102.75 : x
  2. Step 2: Convert to fraction form
    119,817.36/165,346.92 = 66,102.75/x
  3. Step 3: Cross multiply
    119,817.36x = 165,346.92 × 66,102.75
  4. Step 4: Simplify right side
    119,817.36x = 10,929,886,116.03
  5. Step 5: Solve for x
    x = 10,929,886,116.03/119,817.36
  6. Step 6: Final answer
    x = 91,221.22

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1.5x scale

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.