Home / 255,214.78-352,196.40-142,064.26

Finding the Fourth Proportional to 255,214.78, 352,196.40 and 142,064.26

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Solution

The fourth proportional to 255,214.78, 352,196.40 and 142,064.26 is: 196,048.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,214.78 : 352,196.40 = 142,064.26 : x
  2. Step 2: Convert to fraction form
    255,214.78/352,196.40 = 142,064.26/x
  3. Step 3: Cross multiply
    255,214.78x = 352,196.40 × 142,064.26
  4. Step 4: Simplify right side
    255,214.78x = 50,034,520,940.66
  5. Step 5: Solve for x
    x = 50,034,520,940.66/255,214.78
  6. Step 6: Final answer
    x = 196,048.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.