Home / 107,451.45-161,209.37-43,376.60

Finding the Fourth Proportional to 107,451.45, 161,209.37 and 43,376.60

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Solution

The fourth proportional to 107,451.45, 161,209.37 and 43,376.60 is: 65,077.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,451.45 : 161,209.37 = 43,376.60 : x
  2. Step 2: Convert to fraction form
    107,451.45/161,209.37 = 43,376.60/x
  3. Step 3: Cross multiply
    107,451.45x = 161,209.37 × 43,376.60
  4. Step 4: Simplify right side
    107,451.45x = 6,992,714,358.74
  5. Step 5: Solve for x
    x = 6,992,714,358.74/107,451.45
  6. Step 6: Final answer
    x = 65,077.90

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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.