Home / 69,437.98-104,148.73-18,143.25

Finding the Fourth Proportional to 69,437.98, 104,148.73 and 18,143.25

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Solution

The fourth proportional to 69,437.98, 104,148.73 and 18,143.25 is: 27,212.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,437.98 : 104,148.73 = 18,143.25 : x
  2. Step 2: Convert to fraction form
    69,437.98/104,148.73 = 18,143.25/x
  3. Step 3: Cross multiply
    69,437.98x = 104,148.73 × 18,143.25
  4. Step 4: Simplify right side
    69,437.98x = 1,889,596,445.57
  5. Step 5: Solve for x
    x = 1,889,596,445.57/69,437.98
  6. Step 6: Final answer
    x = 27,212.72

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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.