Home / 103,054.26-154,603.42-31,975.36

Finding the Fourth Proportional to 103,054.26, 154,603.42 and 31,975.36

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Solution

The fourth proportional to 103,054.26, 154,603.42 and 31,975.36 is: 47,969.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,054.26 : 154,603.42 = 31,975.36 : x
  2. Step 2: Convert to fraction form
    103,054.26/154,603.42 = 31,975.36/x
  3. Step 3: Cross multiply
    103,054.26x = 154,603.42 × 31,975.36
  4. Step 4: Simplify right side
    103,054.26x = 4,943,500,011.73
  5. Step 5: Solve for x
    x = 4,943,500,011.73/103,054.26
  6. Step 6: Final answer
    x = 47,969.88

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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.