Home / 105,927.75-146,193.26-61,215.75

Finding the Fourth Proportional to 105,927.75, 146,193.26 and 61,215.75

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Solution

The fourth proportional to 105,927.75, 146,193.26 and 61,215.75 is: 84,485.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,927.75 : 146,193.26 = 61,215.75 : x
  2. Step 2: Convert to fraction form
    105,927.75/146,193.26 = 61,215.75/x
  3. Step 3: Cross multiply
    105,927.75x = 146,193.26 × 61,215.75
  4. Step 4: Simplify right side
    105,927.75x = 8,949,329,749.77
  5. Step 5: Solve for x
    x = 8,949,329,749.77/105,927.75
  6. Step 6: Final answer
    x = 84,485.22

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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.