Home / 255,179.90-352,145.49-140,456.06

Finding the Fourth Proportional to 255,179.90, 352,145.49 and 140,456.06

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Solution

The fourth proportional to 255,179.90, 352,145.49 and 140,456.06 is: 193,827.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,179.90 : 352,145.49 = 140,456.06 : x
  2. Step 2: Convert to fraction form
    255,179.90/352,145.49 = 140,456.06/x
  3. Step 3: Cross multiply
    255,179.90x = 352,145.49 × 140,456.06
  4. Step 4: Simplify right side
    255,179.90x = 49,460,968,072.17
  5. Step 5: Solve for x
    x = 49,460,968,072.17/255,179.90
  6. Step 6: Final answer
    x = 193,827.84

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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.