Home / 64,143.90-96,201.27-30,843.18

Finding the Fourth Proportional to 64,143.90, 96,201.27 and 30,843.18

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Solution

The fourth proportional to 64,143.90, 96,201.27 and 30,843.18 is: 46,257.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,143.90 : 96,201.27 = 30,843.18 : x
  2. Step 2: Convert to fraction form
    64,143.90/96,201.27 = 30,843.18/x
  3. Step 3: Cross multiply
    64,143.90x = 96,201.27 × 30,843.18
  4. Step 4: Simplify right side
    64,143.90x = 2,967,153,086.84
  5. Step 5: Solve for x
    x = 2,967,153,086.84/64,143.90
  6. Step 6: Final answer
    x = 46,257.76

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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.