Home / 126,855.33-174,975.98-81,590.59

Finding the Fourth Proportional to 126,855.33, 174,975.98 and 81,590.59

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Solution

The fourth proportional to 126,855.33, 174,975.98 and 81,590.59 is: 112,540.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,855.33 : 174,975.98 = 81,590.59 : x
  2. Step 2: Convert to fraction form
    126,855.33/174,975.98 = 81,590.59/x
  3. Step 3: Cross multiply
    126,855.33x = 174,975.98 × 81,590.59
  4. Step 4: Simplify right side
    126,855.33x = 14,276,393,444.03
  5. Step 5: Solve for x
    x = 14,276,393,444.03/126,855.33
  6. Step 6: Final answer
    x = 112,540.75

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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.