Home / 128,325.12-192,484.44-34,828.44

Finding the Fourth Proportional to 128,325.12, 192,484.44 and 34,828.44

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Solution

The fourth proportional to 128,325.12, 192,484.44 and 34,828.44 is: 52,241.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,325.12 : 192,484.44 = 34,828.44 : x
  2. Step 2: Convert to fraction form
    128,325.12/192,484.44 = 34,828.44/x
  3. Step 3: Cross multiply
    128,325.12x = 192,484.44 × 34,828.44
  4. Step 4: Simplify right side
    128,325.12x = 6,703,932,769.47
  5. Step 5: Solve for x
    x = 6,703,932,769.47/128,325.12
  6. Step 6: Final answer
    x = 52,241.78

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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.