Home / 259,455.15-389,222.82-109,696.07

Finding the Fourth Proportional to 259,455.15, 389,222.82 and 109,696.07

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Solution

The fourth proportional to 259,455.15, 389,222.82 and 109,696.07 is: 164,561.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,455.15 : 389,222.82 = 109,696.07 : x
  2. Step 2: Convert to fraction form
    259,455.15/389,222.82 = 109,696.07/x
  3. Step 3: Cross multiply
    259,455.15x = 389,222.82 × 109,696.07
  4. Step 4: Simplify right side
    259,455.15x = 42,696,214,681.37
  5. Step 5: Solve for x
    x = 42,696,214,681.37/259,455.15
  6. Step 6: Final answer
    x = 164,561.06

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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.