Home / 126,363.31-174,376.79-69,773.47

Finding the Fourth Proportional to 126,363.31, 174,376.79 and 69,773.47

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Solution

The fourth proportional to 126,363.31, 174,376.79 and 69,773.47 is: 96,284.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,363.31 : 174,376.79 = 69,773.47 : x
  2. Step 2: Convert to fraction form
    126,363.31/174,376.79 = 69,773.47/x
  3. Step 3: Cross multiply
    126,363.31x = 174,376.79 × 69,773.47
  4. Step 4: Simplify right side
    126,363.31x = 12,166,873,725.76
  5. Step 5: Solve for x
    x = 12,166,873,725.76/126,363.31
  6. Step 6: Final answer
    x = 96,284.86

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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.