Home / 255,859.20-353,077.92-142,701.12

Finding the Fourth Proportional to 255,859.20, 353,077.92 and 142,701.12

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Solution

The fourth proportional to 255,859.20, 353,077.92 and 142,701.12 is: 196,923.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,859.20 : 353,077.92 = 142,701.12 : x
  2. Step 2: Convert to fraction form
    255,859.20/353,077.92 = 142,701.12/x
  3. Step 3: Cross multiply
    255,859.20x = 353,077.92 × 142,701.12
  4. Step 4: Simplify right side
    255,859.20x = 50,384,614,631.27
  5. Step 5: Solve for x
    x = 50,384,614,631.27/255,859.20
  6. Step 6: Final answer
    x = 196,923.21

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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.