Home / 126,995.68-190,326.36-70,862.20

Finding the Fourth Proportional to 126,995.68, 190,326.36 and 70,862.20

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Solution

The fourth proportional to 126,995.68, 190,326.36 and 70,862.20 is: 106,200.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,995.68 : 190,326.36 = 70,862.20 : x
  2. Step 2: Convert to fraction form
    126,995.68/190,326.36 = 70,862.20/x
  3. Step 3: Cross multiply
    126,995.68x = 190,326.36 × 70,862.20
  4. Step 4: Simplify right side
    126,995.68x = 13,486,944,587.59
  5. Step 5: Solve for x
    x = 13,486,944,587.59/126,995.68
  6. Step 6: Final answer
    x = 106,200.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.