Home / 213,446.43-294,425.55-136,939.50

Finding the Fourth Proportional to 213,446.43, 294,425.55 and 136,939.50

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Solution

The fourth proportional to 213,446.43, 294,425.55 and 136,939.50 is: 188,892.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,446.43 : 294,425.55 = 136,939.50 : x
  2. Step 2: Convert to fraction form
    213,446.43/294,425.55 = 136,939.50/x
  3. Step 3: Cross multiply
    213,446.43x = 294,425.55 × 136,939.50
  4. Step 4: Simplify right side
    213,446.43x = 40,318,487,604.23
  5. Step 5: Solve for x
    x = 40,318,487,604.23/213,446.43
  6. Step 6: Final answer
    x = 188,892.77

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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.