Home / 215,411.14-297,267.24-119,940.40

Finding the Fourth Proportional to 215,411.14, 297,267.24 and 119,940.40

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Solution

The fourth proportional to 215,411.14, 297,267.24 and 119,940.40 is: 165,517.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,411.14 : 297,267.24 = 119,940.40 : x
  2. Step 2: Convert to fraction form
    215,411.14/297,267.24 = 119,940.40/x
  3. Step 3: Cross multiply
    215,411.14x = 297,267.24 × 119,940.40
  4. Step 4: Simplify right side
    215,411.14x = 35,654,351,672.50
  5. Step 5: Solve for x
    x = 35,654,351,672.50/215,411.14
  6. Step 6: Final answer
    x = 165,517.68

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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.