Home / 215,402.16-297,240.66-119,906.40

Finding the Fourth Proportional to 215,402.16, 297,240.66 and 119,906.40

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Solution

The fourth proportional to 215,402.16, 297,240.66 and 119,906.40 is: 165,462.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,402.16 : 297,240.66 = 119,906.40 : x
  2. Step 2: Convert to fraction form
    215,402.16/297,240.66 = 119,906.40/x
  3. Step 3: Cross multiply
    215,402.16x = 297,240.66 × 119,906.40
  4. Step 4: Simplify right side
    215,402.16x = 35,641,057,474.22
  5. Step 5: Solve for x
    x = 35,641,057,474.22/215,402.16
  6. Step 6: Final answer
    x = 165,462.86

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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.