Home / 128,550.20-192,825.30-58,566.20

Finding the Fourth Proportional to 128,550.20, 192,825.30 and 58,566.20

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Solution

The fourth proportional to 128,550.20, 192,825.30 and 58,566.20 is: 87,849.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,550.20 : 192,825.30 = 58,566.20 : x
  2. Step 2: Convert to fraction form
    128,550.20/192,825.30 = 58,566.20/x
  3. Step 3: Cross multiply
    128,550.20x = 192,825.30 × 58,566.20
  4. Step 4: Simplify right side
    128,550.20x = 11,293,045,084.86
  5. Step 5: Solve for x
    x = 11,293,045,084.86/128,550.20
  6. Step 6: Final answer
    x = 87,849.30

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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.