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Finding the Fourth Proportional to 215,151.96, 296,905.49 and 119,656.61

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Solution

The fourth proportional to 215,151.96, 296,905.49 and 119,656.61 is: 165,123.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,151.96 : 296,905.49 = 119,656.61 : x
  2. Step 2: Convert to fraction form
    215,151.96/296,905.49 = 119,656.61/x
  3. Step 3: Cross multiply
    215,151.96x = 296,905.49 × 119,656.61
  4. Step 4: Simplify right side
    215,151.96x = 35,526,702,340.98
  5. Step 5: Solve for x
    x = 35,526,702,340.98/215,151.96
  6. Step 6: Final answer
    x = 165,123.77

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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.