Home / 122,266.21-168,718.09-68,541.04

Finding the Fourth Proportional to 122,266.21, 168,718.09 and 68,541.04

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Solution

The fourth proportional to 122,266.21, 168,718.09 and 68,541.04 is: 94,581.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,266.21 : 168,718.09 = 68,541.04 : x
  2. Step 2: Convert to fraction form
    122,266.21/168,718.09 = 68,541.04/x
  3. Step 3: Cross multiply
    122,266.21x = 168,718.09 × 68,541.04
  4. Step 4: Simplify right side
    122,266.21x = 11,564,112,574.43
  5. Step 5: Solve for x
    x = 11,564,112,574.43/122,266.21
  6. Step 6: Final answer
    x = 94,581.43

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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.