Home / 122,507.02-169,044.33-68,791.87

Finding the Fourth Proportional to 122,507.02, 169,044.33 and 68,791.87

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Solution

The fourth proportional to 122,507.02, 169,044.33 and 68,791.87 is: 94,924.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,507.02 : 169,044.33 = 68,791.87 : x
  2. Step 2: Convert to fraction form
    122,507.02/169,044.33 = 68,791.87/x
  3. Step 3: Cross multiply
    122,507.02x = 169,044.33 × 68,791.87
  4. Step 4: Simplify right side
    122,507.02x = 11,628,875,573.60
  5. Step 5: Solve for x
    x = 11,628,875,573.60/122,507.02
  6. Step 6: Final answer
    x = 94,924.16

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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.