Home / 126,807.26-174,992.76-68,663.70

Finding the Fourth Proportional to 126,807.26, 174,992.76 and 68,663.70

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Solution

The fourth proportional to 126,807.26, 174,992.76 and 68,663.70 is: 94,755.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,807.26 : 174,992.76 = 68,663.70 : x
  2. Step 2: Convert to fraction form
    126,807.26/174,992.76 = 68,663.70/x
  3. Step 3: Cross multiply
    126,807.26x = 174,992.76 × 68,663.70
  4. Step 4: Simplify right side
    126,807.26x = 12,015,650,374.81
  5. Step 5: Solve for x
    x = 12,015,650,374.81/126,807.26
  6. Step 6: Final answer
    x = 94,755.22

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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.