Home / 210,761.08-290,846.22-115,267.48

Finding the Fourth Proportional to 210,761.08, 290,846.22 and 115,267.48

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Solution

The fourth proportional to 210,761.08, 290,846.22 and 115,267.48 is: 159,066.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,761.08 : 290,846.22 = 115,267.48 : x
  2. Step 2: Convert to fraction form
    210,761.08/290,846.22 = 115,267.48/x
  3. Step 3: Cross multiply
    210,761.08x = 290,846.22 × 115,267.48
  4. Step 4: Simplify right side
    210,761.08x = 33,525,110,846.93
  5. Step 5: Solve for x
    x = 33,525,110,846.93/210,761.08
  6. Step 6: Final answer
    x = 159,066.90

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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.