Home / 161,908.86-223,450.29-121,001.94

Finding the Fourth Proportional to 161,908.86, 223,450.29 and 121,001.94

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Solution

The fourth proportional to 161,908.86, 223,450.29 and 121,001.94 is: 166,994.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,908.86 : 223,450.29 = 121,001.94 : x
  2. Step 2: Convert to fraction form
    161,908.86/223,450.29 = 121,001.94/x
  3. Step 3: Cross multiply
    161,908.86x = 223,450.29 × 121,001.94
  4. Step 4: Simplify right side
    161,908.86x = 27,037,918,583.56
  5. Step 5: Solve for x
    x = 27,037,918,583.56/161,908.86
  6. Step 6: Final answer
    x = 166,994.68

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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.