Home / 215,078.49-296,807.63-119,585.16

Finding the Fourth Proportional to 215,078.49, 296,807.63 and 119,585.16

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Solution

The fourth proportional to 215,078.49, 296,807.63 and 119,585.16 is: 165,027.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,078.49 : 296,807.63 = 119,585.16 : x
  2. Step 2: Convert to fraction form
    215,078.49/296,807.63 = 119,585.16/x
  3. Step 3: Cross multiply
    215,078.49x = 296,807.63 × 119,585.16
  4. Step 4: Simplify right side
    215,078.49x = 35,493,787,324.85
  5. Step 5: Solve for x
    x = 35,493,787,324.85/215,078.49
  6. Step 6: Final answer
    x = 165,027.14

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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.