Home / 255,336.36-352,350.66-142,138.92

Finding the Fourth Proportional to 255,336.36, 352,350.66 and 142,138.92

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Solution

The fourth proportional to 255,336.36, 352,350.66 and 142,138.92 is: 196,144.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,336.36 : 352,350.66 = 142,138.92 : x
  2. Step 2: Convert to fraction form
    255,336.36/352,350.66 = 142,138.92/x
  3. Step 3: Cross multiply
    255,336.36x = 352,350.66 × 142,138.92
  4. Step 4: Simplify right side
    255,336.36x = 50,082,742,273.69
  5. Step 5: Solve for x
    x = 50,082,742,273.69/255,336.36
  6. Step 6: Final answer
    x = 196,144.19

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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.