Home / 126,242.25-174,056.73-80,845.60

Finding the Fourth Proportional to 126,242.25, 174,056.73 and 80,845.60

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Solution

The fourth proportional to 126,242.25, 174,056.73 and 80,845.60 is: 111,466.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,242.25 : 174,056.73 = 80,845.60 : x
  2. Step 2: Convert to fraction form
    126,242.25/174,056.73 = 80,845.60/x
  3. Step 3: Cross multiply
    126,242.25x = 174,056.73 × 80,845.60
  4. Step 4: Simplify right side
    126,242.25x = 14,071,721,291.63
  5. Step 5: Solve for x
    x = 14,071,721,291.63/126,242.25
  6. Step 6: Final answer
    x = 111,466.02

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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.