Home / 105,515.03-158,288.14-30,625.47

Finding the Fourth Proportional to 105,515.03, 158,288.14 and 30,625.47

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Solution

The fourth proportional to 105,515.03, 158,288.14 and 30,625.47 is: 45,942.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,515.03 : 158,288.14 = 30,625.47 : x
  2. Step 2: Convert to fraction form
    105,515.03/158,288.14 = 30,625.47/x
  3. Step 3: Cross multiply
    105,515.03x = 158,288.14 × 30,625.47
  4. Step 4: Simplify right side
    105,515.03x = 4,847,648,682.93
  5. Step 5: Solve for x
    x = 4,847,648,682.93/105,515.03
  6. Step 6: Final answer
    x = 45,942.73

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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.