Home / 215,318.16-297,134.92-119,824.72

Finding the Fourth Proportional to 215,318.16, 297,134.92 and 119,824.72

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Solution

The fourth proportional to 215,318.16, 297,134.92 and 119,824.72 is: 165,355.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,318.16 : 297,134.92 = 119,824.72 : x
  2. Step 2: Convert to fraction form
    215,318.16/297,134.92 = 119,824.72/x
  3. Step 3: Cross multiply
    215,318.16x = 297,134.92 × 119,824.72
  4. Step 4: Simplify right side
    215,318.16x = 35,604,108,591.22
  5. Step 5: Solve for x
    x = 35,604,108,591.22/215,318.16
  6. Step 6: Final answer
    x = 165,355.81

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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.