Home / 128,244.42-192,369.90-60,760.64

Finding the Fourth Proportional to 128,244.42, 192,369.90 and 60,760.64

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Solution

The fourth proportional to 128,244.42, 192,369.90 and 60,760.64 is: 91,142.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,244.42 : 192,369.90 = 60,760.64 : x
  2. Step 2: Convert to fraction form
    128,244.42/192,369.90 = 60,760.64/x
  3. Step 3: Cross multiply
    128,244.42x = 192,369.90 × 60,760.64
  4. Step 4: Simplify right side
    128,244.42x = 11,688,518,240.74
  5. Step 5: Solve for x
    x = 11,688,518,240.74/128,244.42
  6. Step 6: Final answer
    x = 91,142.51

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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.