Home / 255,203.30-352,173.20-142,023.62

Finding the Fourth Proportional to 255,203.30, 352,173.20 and 142,023.62

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Solution

The fourth proportional to 255,203.30, 352,173.20 and 142,023.62 is: 195,988.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,203.30 : 352,173.20 = 142,023.62 : x
  2. Step 2: Convert to fraction form
    255,203.30/352,173.20 = 142,023.62/x
  3. Step 3: Cross multiply
    255,203.30x = 352,173.20 × 142,023.62
  4. Step 4: Simplify right side
    255,203.30x = 50,016,912,730.98
  5. Step 5: Solve for x
    x = 50,016,912,730.98/255,203.30
  6. Step 6: Final answer
    x = 195,988.50

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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.