Home / 126,806.41-190,203.09-42,567.22

Finding the Fourth Proportional to 126,806.41, 190,203.09 and 42,567.22

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Solution

The fourth proportional to 126,806.41, 190,203.09 and 42,567.22 is: 63,848.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,806.41 : 190,203.09 = 42,567.22 : x
  2. Step 2: Convert to fraction form
    126,806.41/190,203.09 = 42,567.22/x
  3. Step 3: Cross multiply
    126,806.41x = 190,203.09 × 42,567.22
  4. Step 4: Simplify right side
    126,806.41x = 8,096,416,854.84
  5. Step 5: Solve for x
    x = 8,096,416,854.84/126,806.41
  6. Step 6: Final answer
    x = 63,848.64

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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.