Home / 165,968.02-229,028.93-90,512.02

Finding the Fourth Proportional to 165,968.02, 229,028.93 and 90,512.02

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Solution

The fourth proportional to 165,968.02, 229,028.93 and 90,512.02 is: 124,902.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,968.02 : 229,028.93 = 90,512.02 : x
  2. Step 2: Convert to fraction form
    165,968.02/229,028.93 = 90,512.02/x
  3. Step 3: Cross multiply
    165,968.02x = 229,028.93 × 90,512.02
  4. Step 4: Simplify right side
    165,968.02x = 20,729,871,092.74
  5. Step 5: Solve for x
    x = 20,729,871,092.74/165,968.02
  6. Step 6: Final answer
    x = 124,902.80

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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.