Home / 215,433.63-297,310.19-119,938.23

Finding the Fourth Proportional to 215,433.63, 297,310.19 and 119,938.23

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Solution

The fourth proportional to 215,433.63, 297,310.19 and 119,938.23 is: 165,521.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,433.63 : 297,310.19 = 119,938.23 : x
  2. Step 2: Convert to fraction form
    215,433.63/297,310.19 = 119,938.23/x
  3. Step 3: Cross multiply
    215,433.63x = 297,310.19 × 119,938.23
  4. Step 4: Simplify right side
    215,433.63x = 35,658,857,349.87
  5. Step 5: Solve for x
    x = 35,658,857,349.87/215,433.63
  6. Step 6: Final answer
    x = 165,521.31

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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.