Home / 122,696.72-184,047.38-38,455.02

Finding the Fourth Proportional to 122,696.72, 184,047.38 and 38,455.02

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Solution

The fourth proportional to 122,696.72, 184,047.38 and 38,455.02 is: 57,683.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,696.72 : 184,047.38 = 38,455.02 : x
  2. Step 2: Convert to fraction form
    122,696.72/184,047.38 = 38,455.02/x
  3. Step 3: Cross multiply
    122,696.72x = 184,047.38 × 38,455.02
  4. Step 4: Simplify right side
    122,696.72x = 7,077,545,847.09
  5. Step 5: Solve for x
    x = 7,077,545,847.09/122,696.72
  6. Step 6: Final answer
    x = 57,683.25

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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.