Home / 215,852.04-323,775.96-121,082.04

Finding the Fourth Proportional to 215,852.04, 323,775.96 and 121,082.04

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Solution

The fourth proportional to 215,852.04, 323,775.96 and 121,082.04 is: 181,621.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,852.04 : 323,775.96 = 121,082.04 : x
  2. Step 2: Convert to fraction form
    215,852.04/323,775.96 = 121,082.04/x
  3. Step 3: Cross multiply
    215,852.04x = 323,775.96 × 121,082.04
  4. Step 4: Simplify right side
    215,852.04x = 39,203,453,739.76
  5. Step 5: Solve for x
    x = 39,203,453,739.76/215,852.04
  6. Step 6: Final answer
    x = 181,621.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.