Home / 215,474.46-297,359.55-119,990.04

Finding the Fourth Proportional to 215,474.46, 297,359.55 and 119,990.04

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Solution

The fourth proportional to 215,474.46, 297,359.55 and 119,990.04 is: 165,588.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,474.46 : 297,359.55 = 119,990.04 : x
  2. Step 2: Convert to fraction form
    215,474.46/297,359.55 = 119,990.04/x
  3. Step 3: Cross multiply
    215,474.46x = 297,359.55 × 119,990.04
  4. Step 4: Simplify right side
    215,474.46x = 35,680,184,298.88
  5. Step 5: Solve for x
    x = 35,680,184,298.88/215,474.46
  6. Step 6: Final answer
    x = 165,588.93

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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.