Home / 255,215.32-352,189.76-142,035.64

Finding the Fourth Proportional to 255,215.32, 352,189.76 and 142,035.64

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Solution

The fourth proportional to 255,215.32, 352,189.76 and 142,035.64 is: 196,005.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,215.32 : 352,189.76 = 142,035.64 : x
  2. Step 2: Convert to fraction form
    255,215.32/352,189.76 = 142,035.64/x
  3. Step 3: Cross multiply
    255,215.32x = 352,189.76 × 142,035.64
  4. Step 4: Simplify right side
    255,215.32x = 50,023,497,963.05
  5. Step 5: Solve for x
    x = 50,023,497,963.05/255,215.32
  6. Step 6: Final answer
    x = 196,005.08

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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.