Home / 255,351.38-352,387.35-142,176.56

Finding the Fourth Proportional to 255,351.38, 352,387.35 and 142,176.56

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Solution

The fourth proportional to 255,351.38, 352,387.35 and 142,176.56 is: 196,205.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,351.38 : 352,387.35 = 142,176.56 : x
  2. Step 2: Convert to fraction form
    255,351.38/352,387.35 = 142,176.56/x
  3. Step 3: Cross multiply
    255,351.38x = 352,387.35 × 142,176.56
  4. Step 4: Simplify right side
    255,351.38x = 50,101,219,448.58
  5. Step 5: Solve for x
    x = 50,101,219,448.58/255,351.38
  6. Step 6: Final answer
    x = 196,205.01

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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.