Home / 122,400.82-183,620.43-52,280.50

Finding the Fourth Proportional to 122,400.82, 183,620.43 and 52,280.50

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Solution

The fourth proportional to 122,400.82, 183,620.43 and 52,280.50 is: 78,428.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,400.82 : 183,620.43 = 52,280.50 : x
  2. Step 2: Convert to fraction form
    122,400.82/183,620.43 = 52,280.50/x
  3. Step 3: Cross multiply
    122,400.82x = 183,620.43 × 52,280.50
  4. Step 4: Simplify right side
    122,400.82x = 9,599,767,890.62
  5. Step 5: Solve for x
    x = 9,599,767,890.62/122,400.82
  6. Step 6: Final answer
    x = 78,428.95

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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.