Home / 126,305.03-174,296.59-75,291.48

Finding the Fourth Proportional to 126,305.03, 174,296.59 and 75,291.48

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Solution

The fourth proportional to 126,305.03, 174,296.59 and 75,291.48 is: 103,899.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,305.03 : 174,296.59 = 75,291.48 : x
  2. Step 2: Convert to fraction form
    126,305.03/174,296.59 = 75,291.48/x
  3. Step 3: Cross multiply
    126,305.03x = 174,296.59 × 75,291.48
  4. Step 4: Simplify right side
    126,305.03x = 13,123,048,031.82
  5. Step 5: Solve for x
    x = 13,123,048,031.82/126,305.03
  6. Step 6: Final answer
    x = 103,899.64

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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.