Home / 100,929.96-151,418.88-30,804.84

Finding the Fourth Proportional to 100,929.96, 151,418.88 and 30,804.84

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Solution

The fourth proportional to 100,929.96, 151,418.88 and 30,804.84 is: 46,214.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,929.96 : 151,418.88 = 30,804.84 : x
  2. Step 2: Convert to fraction form
    100,929.96/151,418.88 = 30,804.84/x
  3. Step 3: Cross multiply
    100,929.96x = 151,418.88 × 30,804.84
  4. Step 4: Simplify right side
    100,929.96x = 4,664,434,371.38
  5. Step 5: Solve for x
    x = 4,664,434,371.38/100,929.96
  6. Step 6: Final answer
    x = 46,214.57

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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.