Home / 122,639.85-183,986.30-37,243.69

Finding the Fourth Proportional to 122,639.85, 183,986.30 and 37,243.69

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Solution

The fourth proportional to 122,639.85, 183,986.30 and 37,243.69 is: 55,873.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,639.85 : 183,986.30 = 37,243.69 : x
  2. Step 2: Convert to fraction form
    122,639.85/183,986.30 = 37,243.69/x
  3. Step 3: Cross multiply
    122,639.85x = 183,986.30 × 37,243.69
  4. Step 4: Simplify right side
    122,639.85x = 6,852,327,615.30
  5. Step 5: Solve for x
    x = 6,852,327,615.30/122,639.85
  6. Step 6: Final answer
    x = 55,873.58

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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.