Home / 192,425.20-288,515.53-168,780.22

Finding the Fourth Proportional to 192,425.20, 288,515.53 and 168,780.22

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Solution

The fourth proportional to 192,425.20, 288,515.53 and 168,780.22 is: 253,063.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,425.20 : 288,515.53 = 168,780.22 : x
  2. Step 2: Convert to fraction form
    192,425.20/288,515.53 = 168,780.22/x
  3. Step 3: Cross multiply
    192,425.20x = 288,515.53 × 168,780.22
  4. Step 4: Simplify right side
    192,425.20x = 48,695,714,626.82
  5. Step 5: Solve for x
    x = 48,695,714,626.82/192,425.20
  6. Step 6: Final answer
    x = 253,063.08

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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.