Home / 103,849.07-155,774.85-28,964.65

Finding the Fourth Proportional to 103,849.07, 155,774.85 and 28,964.65

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Solution

The fourth proportional to 103,849.07, 155,774.85 and 28,964.65 is: 43,447.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,849.07 : 155,774.85 = 28,964.65 : x
  2. Step 2: Convert to fraction form
    103,849.07/155,774.85 = 28,964.65/x
  3. Step 3: Cross multiply
    103,849.07x = 155,774.85 × 28,964.65
  4. Step 4: Simplify right side
    103,849.07x = 4,511,963,803.08
  5. Step 5: Solve for x
    x = 4,511,963,803.08/103,849.07
  6. Step 6: Final answer
    x = 43,447.32

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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.