Home / 121,927.17-168,317.03-91,724.02

Finding the Fourth Proportional to 121,927.17, 168,317.03 and 91,724.02

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Solution

The fourth proportional to 121,927.17, 168,317.03 and 91,724.02 is: 126,622.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,927.17 : 168,317.03 = 91,724.02 : x
  2. Step 2: Convert to fraction form
    121,927.17/168,317.03 = 91,724.02/x
  3. Step 3: Cross multiply
    121,927.17x = 168,317.03 × 91,724.02
  4. Step 4: Simplify right side
    121,927.17x = 15,438,714,626.06
  5. Step 5: Solve for x
    x = 15,438,714,626.06/121,927.17
  6. Step 6: Final answer
    x = 126,622.43

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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.