Home / 99,825.82-149,738.46-40,647.58

Finding the Fourth Proportional to 99,825.82, 149,738.46 and 40,647.58

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Solution

The fourth proportional to 99,825.82, 149,738.46 and 40,647.58 is: 60,971.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,825.82 : 149,738.46 = 40,647.58 : x
  2. Step 2: Convert to fraction form
    99,825.82/149,738.46 = 40,647.58/x
  3. Step 3: Cross multiply
    99,825.82x = 149,738.46 × 40,647.58
  4. Step 4: Simplify right side
    99,825.82x = 6,086,506,031.93
  5. Step 5: Solve for x
    x = 6,086,506,031.93/99,825.82
  6. Step 6: Final answer
    x = 60,971.26

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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.