Home / 119,240.59-178,619.35-55,107.62

Finding the Fourth Proportional to 119,240.59, 178,619.35 and 55,107.62

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Solution

The fourth proportional to 119,240.59, 178,619.35 and 55,107.62 is: 82,549.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,240.59 : 178,619.35 = 55,107.62 : x
  2. Step 2: Convert to fraction form
    119,240.59/178,619.35 = 55,107.62/x
  3. Step 3: Cross multiply
    119,240.59x = 178,619.35 × 55,107.62
  4. Step 4: Simplify right side
    119,240.59x = 9,843,286,659.35
  5. Step 5: Solve for x
    x = 9,843,286,659.35/119,240.59
  6. Step 6: Final answer
    x = 82,549.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.