Home / 123,470.07-170,388.52-66,881.44

Finding the Fourth Proportional to 123,470.07, 170,388.52 and 66,881.44

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Solution

The fourth proportional to 123,470.07, 170,388.52 and 66,881.44 is: 92,296.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,470.07 : 170,388.52 = 66,881.44 : x
  2. Step 2: Convert to fraction form
    123,470.07/170,388.52 = 66,881.44/x
  3. Step 3: Cross multiply
    123,470.07x = 170,388.52 × 66,881.44
  4. Step 4: Simplify right side
    123,470.07x = 11,395,829,577.07
  5. Step 5: Solve for x
    x = 11,395,829,577.07/123,470.07
  6. Step 6: Final answer
    x = 92,296.29

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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.