Home / 122,207.85-183,212.82-47,289.60

Finding the Fourth Proportional to 122,207.85, 183,212.82 and 47,289.60

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Solution

The fourth proportional to 122,207.85, 183,212.82 and 47,289.60 is: 70,896.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,207.85 : 183,212.82 = 47,289.60 : x
  2. Step 2: Convert to fraction form
    122,207.85/183,212.82 = 47,289.60/x
  3. Step 3: Cross multiply
    122,207.85x = 183,212.82 × 47,289.60
  4. Step 4: Simplify right side
    122,207.85x = 8,664,060,972.67
  5. Step 5: Solve for x
    x = 8,664,060,972.67/122,207.85
  6. Step 6: Final answer
    x = 70,896.11

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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.