Home / 255,336.33-383,090.76-113,162.16

Finding the Fourth Proportional to 255,336.33, 383,090.76 and 113,162.16

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Solution

The fourth proportional to 255,336.33, 383,090.76 and 113,162.16 is: 169,781.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,336.33 : 383,090.76 = 113,162.16 : x
  2. Step 2: Convert to fraction form
    255,336.33/383,090.76 = 113,162.16/x
  3. Step 3: Cross multiply
    255,336.33x = 383,090.76 × 113,162.16
  4. Step 4: Simplify right side
    255,336.33x = 43,351,377,877.64
  5. Step 5: Solve for x
    x = 43,351,377,877.64/255,336.33
  6. Step 6: Final answer
    x = 169,781.47

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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.