Home / 255,936.74-353,200.24-142,757.06

Finding the Fourth Proportional to 255,936.74, 353,200.24 and 142,757.06

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Solution

The fourth proportional to 255,936.74, 353,200.24 and 142,757.06 is: 197,008.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,936.74 : 353,200.24 = 142,757.06 : x
  2. Step 2: Convert to fraction form
    255,936.74/353,200.24 = 142,757.06/x
  3. Step 3: Cross multiply
    255,936.74x = 353,200.24 × 142,757.06
  4. Step 4: Simplify right side
    255,936.74x = 50,421,827,853.69
  5. Step 5: Solve for x
    x = 50,421,827,853.69/255,936.74
  6. Step 6: Final answer
    x = 197,008.95

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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.