Home / 259,330.16-389,007.39-126,051.54

Finding the Fourth Proportional to 259,330.16, 389,007.39 and 126,051.54

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Solution

The fourth proportional to 259,330.16, 389,007.39 and 126,051.54 is: 189,083.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,330.16 : 389,007.39 = 126,051.54 : x
  2. Step 2: Convert to fraction form
    259,330.16/389,007.39 = 126,051.54/x
  3. Step 3: Cross multiply
    259,330.16x = 389,007.39 × 126,051.54
  4. Step 4: Simplify right side
    259,330.16x = 49,034,980,580.88
  5. Step 5: Solve for x
    x = 49,034,980,580.88/259,330.16
  6. Step 6: Final answer
    x = 189,083.22

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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.