Home / 69,190.08-103,785.23-19,270.32

Finding the Fourth Proportional to 69,190.08, 103,785.23 and 19,270.32

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Solution

The fourth proportional to 69,190.08, 103,785.23 and 19,270.32 is: 28,905.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,190.08 : 103,785.23 = 19,270.32 : x
  2. Step 2: Convert to fraction form
    69,190.08/103,785.23 = 19,270.32/x
  3. Step 3: Cross multiply
    69,190.08x = 103,785.23 × 19,270.32
  4. Step 4: Simplify right side
    69,190.08x = 1,999,974,756.49
  5. Step 5: Solve for x
    x = 1,999,974,756.49/69,190.08
  6. Step 6: Final answer
    x = 28,905.51

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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.