Home / 126,862.58-190,270.06-63,665.75

Finding the Fourth Proportional to 126,862.58, 190,270.06 and 63,665.75

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Solution

The fourth proportional to 126,862.58, 190,270.06 and 63,665.75 is: 95,486.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,862.58 : 190,270.06 = 63,665.75 : x
  2. Step 2: Convert to fraction form
    126,862.58/190,270.06 = 63,665.75/x
  3. Step 3: Cross multiply
    126,862.58x = 190,270.06 × 63,665.75
  4. Step 4: Simplify right side
    126,862.58x = 12,113,686,388.96
  5. Step 5: Solve for x
    x = 12,113,686,388.96/126,862.58
  6. Step 6: Final answer
    x = 95,486.68

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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.