Home / 126,137.59-174,071.24-68,776.45

Finding the Fourth Proportional to 126,137.59, 174,071.24 and 68,776.45

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Solution

The fourth proportional to 126,137.59, 174,071.24 and 68,776.45 is: 94,912.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,137.59 : 174,071.24 = 68,776.45 : x
  2. Step 2: Convert to fraction form
    126,137.59/174,071.24 = 68,776.45/x
  3. Step 3: Cross multiply
    126,137.59x = 174,071.24 × 68,776.45
  4. Step 4: Simplify right side
    126,137.59x = 11,972,000,720.06
  5. Step 5: Solve for x
    x = 11,972,000,720.06/126,137.59
  6. Step 6: Final answer
    x = 94,912.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.