Home / 128,334.72-192,366.33-48,338.07

Finding the Fourth Proportional to 128,334.72, 192,366.33 and 48,338.07

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Solution

The fourth proportional to 128,334.72, 192,366.33 and 48,338.07 is: 72,455.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,334.72 : 192,366.33 = 48,338.07 : x
  2. Step 2: Convert to fraction form
    128,334.72/192,366.33 = 48,338.07/x
  3. Step 3: Cross multiply
    128,334.72x = 192,366.33 × 48,338.07
  4. Step 4: Simplify right side
    128,334.72x = 9,298,617,244.80
  5. Step 5: Solve for x
    x = 9,298,617,244.80/128,334.72
  6. Step 6: Final answer
    x = 72,455.98

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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.