Home / 122,092.02-183,418.71-86,151.20

Finding the Fourth Proportional to 122,092.02, 183,418.71 and 86,151.20

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Solution

The fourth proportional to 122,092.02, 183,418.71 and 86,151.20 is: 129,424.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,092.02 : 183,418.71 = 86,151.20 : x
  2. Step 2: Convert to fraction form
    122,092.02/183,418.71 = 86,151.20/x
  3. Step 3: Cross multiply
    122,092.02x = 183,418.71 × 86,151.20
  4. Step 4: Simplify right side
    122,092.02x = 15,801,740,621.10
  5. Step 5: Solve for x
    x = 15,801,740,621.10/122,092.02
  6. Step 6: Final answer
    x = 129,424.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.