Home / 149,049.35-223,356.62-69,111.77

Finding the Fourth Proportional to 149,049.35, 223,356.62 and 69,111.77

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Solution

The fourth proportional to 149,049.35, 223,356.62 and 69,111.77 is: 103,566.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,049.35 : 223,356.62 = 69,111.77 : x
  2. Step 2: Convert to fraction form
    149,049.35/223,356.62 = 69,111.77/x
  3. Step 3: Cross multiply
    149,049.35x = 223,356.62 × 69,111.77
  4. Step 4: Simplify right side
    149,049.35x = 15,436,570,405.41
  5. Step 5: Solve for x
    x = 15,436,570,405.41/149,049.35
  6. Step 6: Final answer
    x = 103,566.84

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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.