Home / 122,715.66-184,172.25-69,440.22

Finding the Fourth Proportional to 122,715.66, 184,172.25 and 69,440.22

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Solution

The fourth proportional to 122,715.66, 184,172.25 and 69,440.22 is: 104,216.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,715.66 : 184,172.25 = 69,440.22 : x
  2. Step 2: Convert to fraction form
    122,715.66/184,172.25 = 69,440.22/x
  3. Step 3: Cross multiply
    122,715.66x = 184,172.25 × 69,440.22
  4. Step 4: Simplify right side
    122,715.66x = 12,788,961,557.90
  5. Step 5: Solve for x
    x = 12,788,961,557.90/122,715.66
  6. Step 6: Final answer
    x = 104,216.21

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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.