Home / 236,022.40-353,515.20-142,364.80

Finding the Fourth Proportional to 236,022.40, 353,515.20 and 142,364.80

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Solution

The fourth proportional to 236,022.40, 353,515.20 and 142,364.80 is: 213,234.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,022.40 : 353,515.20 = 142,364.80 : x
  2. Step 2: Convert to fraction form
    236,022.40/353,515.20 = 142,364.80/x
  3. Step 3: Cross multiply
    236,022.40x = 353,515.20 × 142,364.80
  4. Step 4: Simplify right side
    236,022.40x = 50,328,120,744.96
  5. Step 5: Solve for x
    x = 50,328,120,744.96/236,022.40
  6. Step 6: Final answer
    x = 213,234.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.