Home / 223,546.14-308,499.51-122,946.78

Finding the Fourth Proportional to 223,546.14, 308,499.51 and 122,946.78

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Solution

The fourth proportional to 223,546.14, 308,499.51 and 122,946.78 is: 169,669.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,546.14 : 308,499.51 = 122,946.78 : x
  2. Step 2: Convert to fraction form
    223,546.14/308,499.51 = 122,946.78/x
  3. Step 3: Cross multiply
    223,546.14x = 308,499.51 × 122,946.78
  4. Step 4: Simplify right side
    223,546.14x = 37,929,021,386.08
  5. Step 5: Solve for x
    x = 37,929,021,386.08/223,546.14
  6. Step 6: Final answer
    x = 169,669.77

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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.