Home / 286,134.42-394,883.94-158,810.04

Finding the Fourth Proportional to 286,134.42, 394,883.94 and 158,810.04

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Solution

The fourth proportional to 286,134.42, 394,883.94 and 158,810.04 is: 219,168.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,134.42 : 394,883.94 = 158,810.04 : x
  2. Step 2: Convert to fraction form
    286,134.42/394,883.94 = 158,810.04/x
  3. Step 3: Cross multiply
    286,134.42x = 394,883.94 × 158,810.04
  4. Step 4: Simplify right side
    286,134.42x = 62,711,534,306.76
  5. Step 5: Solve for x
    x = 62,711,534,306.76/286,134.42
  6. Step 6: Final answer
    x = 219,168.09

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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.