Home / 255,934.80-383,902.17-87,456.58

Finding the Fourth Proportional to 255,934.80, 383,902.17 and 87,456.58

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Solution

The fourth proportional to 255,934.80, 383,902.17 and 87,456.58 is: 131,184.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,934.80 : 383,902.17 = 87,456.58 : x
  2. Step 2: Convert to fraction form
    255,934.80/383,902.17 = 87,456.58/x
  3. Step 3: Cross multiply
    255,934.80x = 383,902.17 × 87,456.58
  4. Step 4: Simplify right side
    255,934.80x = 33,574,769,883.02
  5. Step 5: Solve for x
    x = 33,574,769,883.02/255,934.80
  6. Step 6: Final answer
    x = 131,184.86

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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.