Home / 107,636.20-161,454.30-55,148.20

Finding the Fourth Proportional to 107,636.20, 161,454.30 and 55,148.20

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Solution

The fourth proportional to 107,636.20, 161,454.30 and 55,148.20 is: 82,722.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,636.20 : 161,454.30 = 55,148.20 : x
  2. Step 2: Convert to fraction form
    107,636.20/161,454.30 = 55,148.20/x
  3. Step 3: Cross multiply
    107,636.20x = 161,454.30 × 55,148.20
  4. Step 4: Simplify right side
    107,636.20x = 8,903,914,027.26
  5. Step 5: Solve for x
    x = 8,903,914,027.26/107,636.20
  6. Step 6: Final answer
    x = 82,722.30

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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.