Home / 255,420.76-352,455.42-142,254.04

Finding the Fourth Proportional to 255,420.76, 352,455.42 and 142,254.04

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Solution

The fourth proportional to 255,420.76, 352,455.42 and 142,254.04 is: 196,296.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,420.76 : 352,455.42 = 142,254.04 : x
  2. Step 2: Convert to fraction form
    255,420.76/352,455.42 = 142,254.04/x
  3. Step 3: Cross multiply
    255,420.76x = 352,455.42 × 142,254.04
  4. Step 4: Simplify right side
    255,420.76x = 50,138,207,414.90
  5. Step 5: Solve for x
    x = 50,138,207,414.90/255,420.76
  6. Step 6: Final answer
    x = 196,296.52

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1.5x scale

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.