Home / 215,106.55-296,834.83-119,611.19

Finding the Fourth Proportional to 215,106.55, 296,834.83 and 119,611.19

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Solution

The fourth proportional to 215,106.55, 296,834.83 and 119,611.19 is: 165,056.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,106.55 : 296,834.83 = 119,611.19 : x
  2. Step 2: Convert to fraction form
    215,106.55/296,834.83 = 119,611.19/x
  3. Step 3: Cross multiply
    215,106.55x = 296,834.83 × 119,611.19
  4. Step 4: Simplify right side
    215,106.55x = 35,504,767,692.81
  5. Step 5: Solve for x
    x = 35,504,767,692.81/215,106.55
  6. Step 6: Final answer
    x = 165,056.66

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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.