Home / 117,220.22-161,760.53-68,821.34

Finding the Fourth Proportional to 117,220.22, 161,760.53 and 68,821.34

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Solution

The fourth proportional to 117,220.22, 161,760.53 and 68,821.34 is: 94,971.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,220.22 : 161,760.53 = 68,821.34 : x
  2. Step 2: Convert to fraction form
    117,220.22/161,760.53 = 68,821.34/x
  3. Step 3: Cross multiply
    117,220.22x = 161,760.53 × 68,821.34
  4. Step 4: Simplify right side
    117,220.22x = 11,132,576,433.71
  5. Step 5: Solve for x
    x = 11,132,576,433.71/117,220.22
  6. Step 6: Final answer
    x = 94,971.47

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1.5x scale

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.