Home / 255,924.15-383,886.18-137,432.49

Finding the Fourth Proportional to 255,924.15, 383,886.18 and 137,432.49

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Solution

The fourth proportional to 255,924.15, 383,886.18 and 137,432.49 is: 206,148.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,924.15 : 383,886.18 = 137,432.49 : x
  2. Step 2: Convert to fraction form
    255,924.15/383,886.18 = 137,432.49/x
  3. Step 3: Cross multiply
    255,924.15x = 383,886.18 × 137,432.49
  4. Step 4: Simplify right side
    255,924.15x = 52,758,433,593.99
  5. Step 5: Solve for x
    x = 52,758,433,593.99/255,924.15
  6. Step 6: Final answer
    x = 206,148.71

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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.