Home / 126,738.36-174,896.82-70,148.52

Finding the Fourth Proportional to 126,738.36, 174,896.82 and 70,148.52

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Solution

The fourth proportional to 126,738.36, 174,896.82 and 70,148.52 is: 96,803.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,738.36 : 174,896.82 = 70,148.52 : x
  2. Step 2: Convert to fraction form
    126,738.36/174,896.82 = 70,148.52/x
  3. Step 3: Cross multiply
    126,738.36x = 174,896.82 × 70,148.52
  4. Step 4: Simplify right side
    126,738.36x = 12,268,753,075.71
  5. Step 5: Solve for x
    x = 12,268,753,075.71/126,738.36
  6. Step 6: Final answer
    x = 96,803.79

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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.