Home / 128,004.20-192,048.42-60,565.22

Finding the Fourth Proportional to 128,004.20, 192,048.42 and 60,565.22

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Solution

The fourth proportional to 128,004.20, 192,048.42 and 60,565.22 is: 90,867.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,004.20 : 192,048.42 = 60,565.22 : x
  2. Step 2: Convert to fraction form
    128,004.20/192,048.42 = 60,565.22/x
  3. Step 3: Cross multiply
    128,004.20x = 192,048.42 × 60,565.22
  4. Step 4: Simplify right side
    128,004.20x = 11,631,454,807.95
  5. Step 5: Solve for x
    x = 11,631,454,807.95/128,004.20
  6. Step 6: Final answer
    x = 90,867.76

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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.