Home / 128,825.10-193,250.90-44,585.11

Finding the Fourth Proportional to 128,825.10, 193,250.90 and 44,585.11

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Solution

The fourth proportional to 128,825.10, 193,250.90 and 44,585.11 is: 66,882.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,825.10 : 193,250.90 = 44,585.11 : x
  2. Step 2: Convert to fraction form
    128,825.10/193,250.90 = 44,585.11/x
  3. Step 3: Cross multiply
    128,825.10x = 193,250.90 × 44,585.11
  4. Step 4: Simplify right side
    128,825.10x = 8,616,112,634.10
  5. Step 5: Solve for x
    x = 8,616,112,634.10/128,825.10
  6. Step 6: Final answer
    x = 66,882.25

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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.