Home / 223,315.11-308,176.11-121,341.42

Finding the Fourth Proportional to 223,315.11, 308,176.11 and 121,341.42

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Solution

The fourth proportional to 223,315.11, 308,176.11 and 121,341.42 is: 167,451.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,315.11 : 308,176.11 = 121,341.42 : x
  2. Step 2: Convert to fraction form
    223,315.11/308,176.11 = 121,341.42/x
  3. Step 3: Cross multiply
    223,315.11x = 308,176.11 × 121,341.42
  4. Step 4: Simplify right side
    223,315.11x = 37,394,526,797.48
  5. Step 5: Solve for x
    x = 37,394,526,797.48/223,315.11
  6. Step 6: Final answer
    x = 167,451.84

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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.