Home / 122,329.94-183,382.72-47,430.86

Finding the Fourth Proportional to 122,329.94, 183,382.72 and 47,430.86

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Solution

The fourth proportional to 122,329.94, 183,382.72 and 47,430.86 is: 71,102.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,329.94 : 183,382.72 = 47,430.86 : x
  2. Step 2: Convert to fraction form
    122,329.94/183,382.72 = 47,430.86/x
  3. Step 3: Cross multiply
    122,329.94x = 183,382.72 × 47,430.86
  4. Step 4: Simplify right side
    122,329.94x = 8,697,999,083.25
  5. Step 5: Solve for x
    x = 8,697,999,083.25/122,329.94
  6. Step 6: Final answer
    x = 71,102.79

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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.