Home / 255,899.27-383,737.43-135,929.97

Finding the Fourth Proportional to 255,899.27, 383,737.43 and 135,929.97

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Solution

The fourth proportional to 255,899.27, 383,737.43 and 135,929.97 is: 203,835.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,899.27 : 383,737.43 = 135,929.97 : x
  2. Step 2: Convert to fraction form
    255,899.27/383,737.43 = 135,929.97/x
  3. Step 3: Cross multiply
    255,899.27x = 383,737.43 × 135,929.97
  4. Step 4: Simplify right side
    255,899.27x = 52,161,417,687.60
  5. Step 5: Solve for x
    x = 52,161,417,687.60/255,899.27
  6. Step 6: Final answer
    x = 203,835.74

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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.