Home / 224,621.88-309,990.77-122,656.83

Finding the Fourth Proportional to 224,621.88, 309,990.77 and 122,656.83

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Solution

The fourth proportional to 224,621.88, 309,990.77 and 122,656.83 is: 169,273.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,621.88 : 309,990.77 = 122,656.83 : x
  2. Step 2: Convert to fraction form
    224,621.88/309,990.77 = 122,656.83/x
  3. Step 3: Cross multiply
    224,621.88x = 309,990.77 × 122,656.83
  4. Step 4: Simplify right side
    224,621.88x = 38,022,484,564.18
  5. Step 5: Solve for x
    x = 38,022,484,564.18/224,621.88
  6. Step 6: Final answer
    x = 169,273.29

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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.