Home / 126,895.68-190,371.36-38,157.12

Finding the Fourth Proportional to 126,895.68, 190,371.36 and 38,157.12

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Solution

The fourth proportional to 126,895.68, 190,371.36 and 38,157.12 is: 57,244.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,895.68 : 190,371.36 = 38,157.12 : x
  2. Step 2: Convert to fraction form
    126,895.68/190,371.36 = 38,157.12/x
  3. Step 3: Cross multiply
    126,895.68x = 190,371.36 × 38,157.12
  4. Step 4: Simplify right side
    126,895.68x = 7,264,022,828.08
  5. Step 5: Solve for x
    x = 7,264,022,828.08/126,895.68
  6. Step 6: Final answer
    x = 57,244.05

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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.