Home / 128,825.85-193,252.03-44,585.87

Finding the Fourth Proportional to 128,825.85, 193,252.03 and 44,585.87

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Solution

The fourth proportional to 128,825.85, 193,252.03 and 44,585.87 is: 66,883.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,825.85 : 193,252.03 = 44,585.87 : x
  2. Step 2: Convert to fraction form
    128,825.85/193,252.03 = 44,585.87/x
  3. Step 3: Cross multiply
    128,825.85x = 193,252.03 × 44,585.87
  4. Step 4: Simplify right side
    128,825.85x = 8,616,308,920.56
  5. Step 5: Solve for x
    x = 8,616,308,920.56/128,825.85
  6. Step 6: Final answer
    x = 66,883.38

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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.