Home / 105,745.22-145,963.30-94,535.14

Finding the Fourth Proportional to 105,745.22, 145,963.30 and 94,535.14

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Solution

The fourth proportional to 105,745.22, 145,963.30 and 94,535.14 is: 130,489.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,745.22 : 145,963.30 = 94,535.14 : x
  2. Step 2: Convert to fraction form
    105,745.22/145,963.30 = 94,535.14/x
  3. Step 3: Cross multiply
    105,745.22x = 145,963.30 × 94,535.14
  4. Step 4: Simplify right side
    105,745.22x = 13,798,660,753.62
  5. Step 5: Solve for x
    x = 13,798,660,753.62/105,745.22
  6. Step 6: Final answer
    x = 130,489.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.