Home / 223,981.92-309,072.62-137,927.10

Finding the Fourth Proportional to 223,981.92, 309,072.62 and 137,927.10

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Solution

The fourth proportional to 223,981.92, 309,072.62 and 137,927.10 is: 190,325.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,981.92 : 309,072.62 = 137,927.10 : x
  2. Step 2: Convert to fraction form
    223,981.92/309,072.62 = 137,927.10/x
  3. Step 3: Cross multiply
    223,981.92x = 309,072.62 × 137,927.10
  4. Step 4: Simplify right side
    223,981.92x = 42,629,489,476.37
  5. Step 5: Solve for x
    x = 42,629,489,476.37/223,981.92
  6. Step 6: Final answer
    x = 190,325.58

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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.