Home / 96,690.96-145,036.01-30,131.15

Finding the Fourth Proportional to 96,690.96, 145,036.01 and 30,131.15

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Solution

The fourth proportional to 96,690.96, 145,036.01 and 30,131.15 is: 45,196.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,690.96 : 145,036.01 = 30,131.15 : x
  2. Step 2: Convert to fraction form
    96,690.96/145,036.01 = 30,131.15/x
  3. Step 3: Cross multiply
    96,690.96x = 145,036.01 × 30,131.15
  4. Step 4: Simplify right side
    96,690.96x = 4,370,100,896.88
  5. Step 5: Solve for x
    x = 4,370,100,896.88/96,690.96
  6. Step 6: Final answer
    x = 45,196.58

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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.