Home / 221,973.06-306,322.38-119,998.56

Finding the Fourth Proportional to 221,973.06, 306,322.38 and 119,998.56

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Solution

The fourth proportional to 221,973.06, 306,322.38 and 119,998.56 is: 165,597.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,973.06 : 306,322.38 = 119,998.56 : x
  2. Step 2: Convert to fraction form
    221,973.06/306,322.38 = 119,998.56/x
  3. Step 3: Cross multiply
    221,973.06x = 306,322.38 × 119,998.56
  4. Step 4: Simplify right side
    221,973.06x = 36,758,244,495.77
  5. Step 5: Solve for x
    x = 36,758,244,495.77/221,973.06
  6. Step 6: Final answer
    x = 165,597.77

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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.