Home / 126,288.64-174,218.20-75,272.01

Finding the Fourth Proportional to 126,288.64, 174,218.20 and 75,272.01

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Solution

The fourth proportional to 126,288.64, 174,218.20 and 75,272.01 is: 103,839.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,288.64 : 174,218.20 = 75,272.01 : x
  2. Step 2: Convert to fraction form
    126,288.64/174,218.20 = 75,272.01/x
  3. Step 3: Cross multiply
    126,288.64x = 174,218.20 × 75,272.01
  4. Step 4: Simplify right side
    126,288.64x = 13,113,754,092.58
  5. Step 5: Solve for x
    x = 13,113,754,092.58/126,288.64
  6. Step 6: Final answer
    x = 103,839.54

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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.