Home / 99,750.39-149,653.71-40,628.49

Finding the Fourth Proportional to 99,750.39, 149,653.71 and 40,628.49

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Solution

The fourth proportional to 99,750.39, 149,653.71 and 40,628.49 is: 60,954.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,750.39 : 149,653.71 = 40,628.49 : x
  2. Step 2: Convert to fraction form
    99,750.39/149,653.71 = 40,628.49/x
  3. Step 3: Cross multiply
    99,750.39x = 149,653.71 × 40,628.49
  4. Step 4: Simplify right side
    99,750.39x = 6,080,204,260.20
  5. Step 5: Solve for x
    x = 6,080,204,260.20/99,750.39
  6. Step 6: Final answer
    x = 60,954.19

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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.