Home / 255,135.26-382,789.38-112,960.93

Finding the Fourth Proportional to 255,135.26, 382,789.38 and 112,960.93

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Solution

The fourth proportional to 255,135.26, 382,789.38 and 112,960.93 is: 169,479.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,135.26 : 382,789.38 = 112,960.93 : x
  2. Step 2: Convert to fraction form
    255,135.26/382,789.38 = 112,960.93/x
  3. Step 3: Cross multiply
    255,135.26x = 382,789.38 × 112,960.93
  4. Step 4: Simplify right side
    255,135.26x = 43,240,241,880.17
  5. Step 5: Solve for x
    x = 43,240,241,880.17/255,135.26
  6. Step 6: Final answer
    x = 169,479.68

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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.