Home / 99,514.89-149,271.39-40,336.47

Finding the Fourth Proportional to 99,514.89, 149,271.39 and 40,336.47

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Solution

The fourth proportional to 99,514.89, 149,271.39 and 40,336.47 is: 60,504.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,514.89 : 149,271.39 = 40,336.47 : x
  2. Step 2: Convert to fraction form
    99,514.89/149,271.39 = 40,336.47/x
  3. Step 3: Cross multiply
    99,514.89x = 149,271.39 × 40,336.47
  4. Step 4: Simplify right side
    99,514.89x = 6,021,080,944.59
  5. Step 5: Solve for x
    x = 6,021,080,944.59/99,514.89
  6. Step 6: Final answer
    x = 60,504.32

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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.