Home / 136,416.34-203,557.62-122,231.87

Finding the Fourth Proportional to 136,416.34, 203,557.62 and 122,231.87

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Solution

The fourth proportional to 136,416.34, 203,557.62 and 122,231.87 is: 182,391.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,416.34 : 203,557.62 = 122,231.87 : x
  2. Step 2: Convert to fraction form
    136,416.34/203,557.62 = 122,231.87/x
  3. Step 3: Cross multiply
    136,416.34x = 203,557.62 × 122,231.87
  4. Step 4: Simplify right side
    136,416.34x = 24,881,228,749.27
  5. Step 5: Solve for x
    x = 24,881,228,749.27/136,416.34
  6. Step 6: Final answer
    x = 182,391.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.