Home / 128,811.92-193,199.42-62,234.18

Finding the Fourth Proportional to 128,811.92, 193,199.42 and 62,234.18

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Solution

The fourth proportional to 128,811.92, 193,199.42 and 62,234.18 is: 93,342.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,811.92 : 193,199.42 = 62,234.18 : x
  2. Step 2: Convert to fraction form
    128,811.92/193,199.42 = 62,234.18/x
  3. Step 3: Cross multiply
    128,811.92x = 193,199.42 × 62,234.18
  4. Step 4: Simplify right side
    128,811.92x = 12,023,606,203.01
  5. Step 5: Solve for x
    x = 12,023,606,203.01/128,811.92
  6. Step 6: Final answer
    x = 93,342.34

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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.