Home / 213,270.79-294,311.31-117,775.57

Finding the Fourth Proportional to 213,270.79, 294,311.31 and 117,775.57

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Solution

The fourth proportional to 213,270.79, 294,311.31 and 117,775.57 is: 162,528.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,270.79 : 294,311.31 = 117,775.57 : x
  2. Step 2: Convert to fraction form
    213,270.79/294,311.31 = 117,775.57/x
  3. Step 3: Cross multiply
    213,270.79x = 294,311.31 × 117,775.57
  4. Step 4: Simplify right side
    213,270.79x = 34,662,682,292.70
  5. Step 5: Solve for x
    x = 34,662,682,292.70/213,270.79
  6. Step 6: Final answer
    x = 162,528.97

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1.5x scale

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.