Home / 128,231.40-192,346.02-34,736.52

Finding the Fourth Proportional to 128,231.40, 192,346.02 and 34,736.52

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Solution

The fourth proportional to 128,231.40, 192,346.02 and 34,736.52 is: 52,104.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,231.40 : 192,346.02 = 34,736.52 : x
  2. Step 2: Convert to fraction form
    128,231.40/192,346.02 = 34,736.52/x
  3. Step 3: Cross multiply
    128,231.40x = 192,346.02 × 34,736.52
  4. Step 4: Simplify right side
    128,231.40x = 6,681,431,370.65
  5. Step 5: Solve for x
    x = 6,681,431,370.65/128,231.40
  6. Step 6: Final answer
    x = 52,104.49

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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.