Home / 126,189.77-174,143.98-68,829.11

Finding the Fourth Proportional to 126,189.77, 174,143.98 and 68,829.11

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Solution

The fourth proportional to 126,189.77, 174,143.98 and 68,829.11 is: 94,985.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,189.77 : 174,143.98 = 68,829.11 : x
  2. Step 2: Convert to fraction form
    126,189.77/174,143.98 = 68,829.11/x
  3. Step 3: Cross multiply
    126,189.77x = 174,143.98 × 68,829.11
  4. Step 4: Simplify right side
    126,189.77x = 11,986,175,418.55
  5. Step 5: Solve for x
    x = 11,986,175,418.55/126,189.77
  6. Step 6: Final answer
    x = 94,985.32

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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.