Home / 87,174.48-120,326.52-51,376.08

Finding the Fourth Proportional to 87,174.48, 120,326.52 and 51,376.08

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Solution

The fourth proportional to 87,174.48, 120,326.52 and 51,376.08 is: 70,914.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,174.48 : 120,326.52 = 51,376.08 : x
  2. Step 2: Convert to fraction form
    87,174.48/120,326.52 = 51,376.08/x
  3. Step 3: Cross multiply
    87,174.48x = 120,326.52 × 51,376.08
  4. Step 4: Simplify right side
    87,174.48x = 6,181,904,917.64
  5. Step 5: Solve for x
    x = 6,181,904,917.64/87,174.48
  6. Step 6: Final answer
    x = 70,914.16

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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.