Home / 107,341.20-161,011.80-82,506.60

Finding the Fourth Proportional to 107,341.20, 161,011.80 and 82,506.60

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Solution

The fourth proportional to 107,341.20, 161,011.80 and 82,506.60 is: 123,759.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,341.20 : 161,011.80 = 82,506.60 : x
  2. Step 2: Convert to fraction form
    107,341.20/161,011.80 = 82,506.60/x
  3. Step 3: Cross multiply
    107,341.20x = 161,011.80 × 82,506.60
  4. Step 4: Simplify right side
    107,341.20x = 13,284,536,177.88
  5. Step 5: Solve for x
    x = 13,284,536,177.88/107,341.20
  6. Step 6: Final answer
    x = 123,759.90

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1.5x scale

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.