Home / 255,201.24-352,137.98-142,023.64

Finding the Fourth Proportional to 255,201.24, 352,137.98 and 142,023.64

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Solution

The fourth proportional to 255,201.24, 352,137.98 and 142,023.64 is: 195,970.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,201.24 : 352,137.98 = 142,023.64 : x
  2. Step 2: Convert to fraction form
    255,201.24/352,137.98 = 142,023.64/x
  3. Step 3: Cross multiply
    255,201.24x = 352,137.98 × 142,023.64
  4. Step 4: Simplify right side
    255,201.24x = 50,011,917,701.85
  5. Step 5: Solve for x
    x = 50,011,917,701.85/255,201.24
  6. Step 6: Final answer
    x = 195,970.51

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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.