Home / 122,716.51-184,077.06-38,474.80

Finding the Fourth Proportional to 122,716.51, 184,077.06 and 38,474.80

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Solution

The fourth proportional to 122,716.51, 184,077.06 and 38,474.80 is: 57,712.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,716.51 : 184,077.06 = 38,474.80 : x
  2. Step 2: Convert to fraction form
    122,716.51/184,077.06 = 38,474.80/x
  3. Step 3: Cross multiply
    122,716.51x = 184,077.06 × 38,474.80
  4. Step 4: Simplify right side
    122,716.51x = 7,082,327,837.99
  5. Step 5: Solve for x
    x = 7,082,327,837.99/122,716.51
  6. Step 6: Final answer
    x = 57,712.92

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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.