Home / 215,376.42-297,212.85-119,880.66

Finding the Fourth Proportional to 215,376.42, 297,212.85 and 119,880.66

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Solution

The fourth proportional to 215,376.42, 297,212.85 and 119,880.66 is: 165,431.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,376.42 : 297,212.85 = 119,880.66 : x
  2. Step 2: Convert to fraction form
    215,376.42/297,212.85 = 119,880.66/x
  3. Step 3: Cross multiply
    215,376.42x = 297,212.85 × 119,880.66
  4. Step 4: Simplify right side
    215,376.42x = 35,630,072,618.48
  5. Step 5: Solve for x
    x = 35,630,072,618.48/215,376.42
  6. Step 6: Final answer
    x = 165,431.63

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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.