Home / 215,040.96-296,742.69-119,545.20

Finding the Fourth Proportional to 215,040.96, 296,742.69 and 119,545.20

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Solution

The fourth proportional to 215,040.96, 296,742.69 and 119,545.20 is: 164,964.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,040.96 : 296,742.69 = 119,545.20 : x
  2. Step 2: Convert to fraction form
    215,040.96/296,742.69 = 119,545.20/x
  3. Step 3: Cross multiply
    215,040.96x = 296,742.69 × 119,545.20
  4. Step 4: Simplify right side
    215,040.96x = 35,474,164,224.59
  5. Step 5: Solve for x
    x = 35,474,164,224.59/215,040.96
  6. Step 6: Final answer
    x = 164,964.68

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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.