Home / 87,207.44-120,359.42-53,235.69

Finding the Fourth Proportional to 87,207.44, 120,359.42 and 53,235.69

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Solution

The fourth proportional to 87,207.44, 120,359.42 and 53,235.69 is: 73,473.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,207.44 : 120,359.42 = 53,235.69 : x
  2. Step 2: Convert to fraction form
    87,207.44/120,359.42 = 53,235.69/x
  3. Step 3: Cross multiply
    87,207.44x = 120,359.42 × 53,235.69
  4. Step 4: Simplify right side
    87,207.44x = 6,407,416,505.52
  5. Step 5: Solve for x
    x = 6,407,416,505.52/87,207.44
  6. Step 6: Final answer
    x = 73,473.28

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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.