Home / 223,229.11-308,061.73-121,254.54

Finding the Fourth Proportional to 223,229.11, 308,061.73 and 121,254.54

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Solution

The fourth proportional to 223,229.11, 308,061.73 and 121,254.54 is: 167,334.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,229.11 : 308,061.73 = 121,254.54 : x
  2. Step 2: Convert to fraction form
    223,229.11/308,061.73 = 121,254.54/x
  3. Step 3: Cross multiply
    223,229.11x = 308,061.73 × 121,254.54
  4. Step 4: Simplify right side
    223,229.11x = 37,353,881,822.45
  5. Step 5: Solve for x
    x = 37,353,881,822.45/223,229.11
  6. Step 6: Final answer
    x = 167,334.28

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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.