Home / 92,145.52-138,236.16-35,983.36

Finding the Fourth Proportional to 92,145.52, 138,236.16 and 35,983.36

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Solution

The fourth proportional to 92,145.52, 138,236.16 and 35,983.36 is: 53,982.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,145.52 : 138,236.16 = 35,983.36 : x
  2. Step 2: Convert to fraction form
    92,145.52/138,236.16 = 35,983.36/x
  3. Step 3: Cross multiply
    92,145.52x = 138,236.16 × 35,983.36
  4. Step 4: Simplify right side
    92,145.52x = 4,974,201,510.30
  5. Step 5: Solve for x
    x = 4,974,201,510.30/92,145.52
  6. Step 6: Final answer
    x = 53,982.02

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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.