Home / 126,361.31-174,374.03-69,771.47

Finding the Fourth Proportional to 126,361.31, 174,374.03 and 69,771.47

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Solution

The fourth proportional to 126,361.31, 174,374.03 and 69,771.47 is: 96,282.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,361.31 : 174,374.03 = 69,771.47 : x
  2. Step 2: Convert to fraction form
    126,361.31/174,374.03 = 69,771.47/x
  3. Step 3: Cross multiply
    126,361.31x = 174,374.03 × 69,771.47
  4. Step 4: Simplify right side
    126,361.31x = 12,166,331,705.48
  5. Step 5: Solve for x
    x = 12,166,331,705.48/126,361.31
  6. Step 6: Final answer
    x = 96,282.10

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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.