Home / 188,623.16-260,305.46-103,745.72

Finding the Fourth Proportional to 188,623.16, 260,305.46 and 103,745.72

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Solution

The fourth proportional to 188,623.16, 260,305.46 and 103,745.72 is: 143,172.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,623.16 : 260,305.46 = 103,745.72 : x
  2. Step 2: Convert to fraction form
    188,623.16/260,305.46 = 103,745.72/x
  3. Step 3: Cross multiply
    188,623.16x = 260,305.46 × 103,745.72
  4. Step 4: Simplify right side
    188,623.16x = 27,005,577,367.63
  5. Step 5: Solve for x
    x = 27,005,577,367.63/188,623.16
  6. Step 6: Final answer
    x = 143,172.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.