Home / 119,832.94-165,368.14-66,120.22

Finding the Fourth Proportional to 119,832.94, 165,368.14 and 66,120.22

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Solution

The fourth proportional to 119,832.94, 165,368.14 and 66,120.22 is: 91,245.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,832.94 : 165,368.14 = 66,120.22 : x
  2. Step 2: Convert to fraction form
    119,832.94/165,368.14 = 66,120.22/x
  3. Step 3: Cross multiply
    119,832.94x = 165,368.14 × 66,120.22
  4. Step 4: Simplify right side
    119,832.94x = 10,934,177,797.79
  5. Step 5: Solve for x
    x = 10,934,177,797.79/119,832.94
  6. Step 6: Final answer
    x = 91,245.18

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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.