Home / 84,349.48-126,546.24-25,185.16

Finding the Fourth Proportional to 84,349.48, 126,546.24 and 25,185.16

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Solution

The fourth proportional to 84,349.48, 126,546.24 and 25,185.16 is: 37,784.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,349.48 : 126,546.24 = 25,185.16 : x
  2. Step 2: Convert to fraction form
    84,349.48/126,546.24 = 25,185.16/x
  3. Step 3: Cross multiply
    84,349.48x = 126,546.24 × 25,185.16
  4. Step 4: Simplify right side
    84,349.48x = 3,187,087,301.80
  5. Step 5: Solve for x
    x = 3,187,087,301.80/84,349.48
  6. Step 6: Final answer
    x = 37,784.31

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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.