Home / 255,996.72-353,275.56-142,817.04

Finding the Fourth Proportional to 255,996.72, 353,275.56 and 142,817.04

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Solution

The fourth proportional to 255,996.72, 353,275.56 and 142,817.04 is: 197,087.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,996.72 : 353,275.56 = 142,817.04 : x
  2. Step 2: Convert to fraction form
    255,996.72/353,275.56 = 142,817.04/x
  3. Step 3: Cross multiply
    255,996.72x = 353,275.56 × 142,817.04
  4. Step 4: Simplify right side
    255,996.72x = 50,453,769,783.54
  5. Step 5: Solve for x
    x = 50,453,769,783.54/255,996.72
  6. Step 6: Final answer
    x = 197,087.56

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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.