Home / 126,132.34-174,064-68,771.20

Finding the Fourth Proportional to 126,132.34, 174,064 and 68,771.20

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Solution

The fourth proportional to 126,132.34, 174,064 and 68,771.20 is: 94,905.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,132.34 : 174,064 = 68,771.20 : x
  2. Step 2: Convert to fraction form
    126,132.34/174,064 = 68,771.20/x
  3. Step 3: Cross multiply
    126,132.34x = 174,064 × 68,771.20
  4. Step 4: Simplify right side
    126,132.34x = 11,970,590,156.80
  5. Step 5: Solve for x
    x = 11,970,590,156.80/126,132.34
  6. Step 6: Final answer
    x = 94,905.00

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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.