Home / 210,993.24-291,173.86-115,508.82

Finding the Fourth Proportional to 210,993.24, 291,173.86 and 115,508.82

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Solution

The fourth proportional to 210,993.24, 291,173.86 and 115,508.82 is: 159,403.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,993.24 : 291,173.86 = 115,508.82 : x
  2. Step 2: Convert to fraction form
    210,993.24/291,173.86 = 115,508.82/x
  3. Step 3: Cross multiply
    210,993.24x = 291,173.86 × 115,508.82
  4. Step 4: Simplify right side
    210,993.24x = 33,633,148,983.45
  5. Step 5: Solve for x
    x = 33,633,148,983.45/210,993.24
  6. Step 6: Final answer
    x = 159,403.92

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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.