Home / 128,204.96-192,285.23-34,688.84

Finding the Fourth Proportional to 128,204.96, 192,285.23 and 34,688.84

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Solution

The fourth proportional to 128,204.96, 192,285.23 and 34,688.84 is: 52,027.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,204.96 : 192,285.23 = 34,688.84 : x
  2. Step 2: Convert to fraction form
    128,204.96/192,285.23 = 34,688.84/x
  3. Step 3: Cross multiply
    128,204.96x = 192,285.23 × 34,688.84
  4. Step 4: Simplify right side
    128,204.96x = 6,670,150,442.96
  5. Step 5: Solve for x
    x = 6,670,150,442.96/128,204.96
  6. Step 6: Final answer
    x = 52,027.24

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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.