Home / 215,839.62-323,852.88-115,883.16

Finding the Fourth Proportional to 215,839.62, 323,852.88 and 115,883.16

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Solution

The fourth proportional to 215,839.62, 323,852.88 and 115,883.16 is: 173,874.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,839.62 : 323,852.88 = 115,883.16 : x
  2. Step 2: Convert to fraction form
    215,839.62/323,852.88 = 115,883.16/x
  3. Step 3: Cross multiply
    215,839.62x = 323,852.88 × 115,883.16
  4. Step 4: Simplify right side
    215,839.62x = 37,529,095,109.50
  5. Step 5: Solve for x
    x = 37,529,095,109.50/215,839.62
  6. Step 6: Final answer
    x = 173,874.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.