Home / 122,186.72-183,309.24-43,307.84

Finding the Fourth Proportional to 122,186.72, 183,309.24 and 43,307.84

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Solution

The fourth proportional to 122,186.72, 183,309.24 and 43,307.84 is: 64,972.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,186.72 : 183,309.24 = 43,307.84 : x
  2. Step 2: Convert to fraction form
    122,186.72/183,309.24 = 43,307.84/x
  3. Step 3: Cross multiply
    122,186.72x = 183,309.24 × 43,307.84
  4. Step 4: Simplify right side
    122,186.72x = 7,938,727,236.44
  5. Step 5: Solve for x
    x = 7,938,727,236.44/122,186.72
  6. Step 6: Final answer
    x = 64,972.10

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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.