Home / 126,132.65-174,064.42-68,771.50

Finding the Fourth Proportional to 126,132.65, 174,064.42 and 68,771.50

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Solution

The fourth proportional to 126,132.65, 174,064.42 and 68,771.50 is: 94,905.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,132.65 : 174,064.42 = 68,771.50 : x
  2. Step 2: Convert to fraction form
    126,132.65/174,064.42 = 68,771.50/x
  3. Step 3: Cross multiply
    126,132.65x = 174,064.42 × 68,771.50
  4. Step 4: Simplify right side
    126,132.65x = 11,970,671,523.26
  5. Step 5: Solve for x
    x = 11,970,671,523.26/126,132.65
  6. Step 6: Final answer
    x = 94,905.41

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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.