Home / 126,262.25-174,264.44-75,278.28

Finding the Fourth Proportional to 126,262.25, 174,264.44 and 75,278.28

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Solution

The fourth proportional to 126,262.25, 174,264.44 and 75,278.28 is: 103,897.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,262.25 : 174,264.44 = 75,278.28 : x
  2. Step 2: Convert to fraction form
    126,262.25/174,264.44 = 75,278.28/x
  3. Step 3: Cross multiply
    126,262.25x = 174,264.44 × 75,278.28
  4. Step 4: Simplify right side
    126,262.25x = 13,118,327,308.36
  5. Step 5: Solve for x
    x = 13,118,327,308.36/126,262.25
  6. Step 6: Final answer
    x = 103,897.46

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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.