Home / 126,263.25-174,265.82-75,279.28

Finding the Fourth Proportional to 126,263.25, 174,265.82 and 75,279.28

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Solution

The fourth proportional to 126,263.25, 174,265.82 and 75,279.28 is: 103,898.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,263.25 : 174,265.82 = 75,279.28 : x
  2. Step 2: Convert to fraction form
    126,263.25/174,265.82 = 75,279.28/x
  3. Step 3: Cross multiply
    126,263.25x = 174,265.82 × 75,279.28
  4. Step 4: Simplify right side
    126,263.25x = 13,118,605,458.21
  5. Step 5: Solve for x
    x = 13,118,605,458.21/126,263.25
  6. Step 6: Final answer
    x = 103,898.84

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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.