Home / 122,685.47-169,301.00-68,969.34

Finding the Fourth Proportional to 122,685.47, 169,301.00 and 68,969.34

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Solution

The fourth proportional to 122,685.47, 169,301.00 and 68,969.34 is: 95,174.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,685.47 : 169,301.00 = 68,969.34 : x
  2. Step 2: Convert to fraction form
    122,685.47/169,301.00 = 68,969.34/x
  3. Step 3: Cross multiply
    122,685.47x = 169,301.00 × 68,969.34
  4. Step 4: Simplify right side
    122,685.47x = 11,676,577,886.49
  5. Step 5: Solve for x
    x = 11,676,577,886.49/122,685.47
  6. Step 6: Final answer
    x = 95,174.91

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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.