Home / 126,774.98-190,191.64-42,546.32

Finding the Fourth Proportional to 126,774.98, 190,191.64 and 42,546.32

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Solution

The fourth proportional to 126,774.98, 190,191.64 and 42,546.32 is: 63,829.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,774.98 : 190,191.64 = 42,546.32 : x
  2. Step 2: Convert to fraction form
    126,774.98/190,191.64 = 42,546.32/x
  3. Step 3: Cross multiply
    126,774.98x = 190,191.64 × 42,546.32
  4. Step 4: Simplify right side
    126,774.98x = 8,091,954,745.88
  5. Step 5: Solve for x
    x = 8,091,954,745.88/126,774.98
  6. Step 6: Final answer
    x = 63,829.27

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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.