Home / 136,733.08-204,824.89-68,137.72

Finding the Fourth Proportional to 136,733.08, 204,824.89 and 68,137.72

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Solution

The fourth proportional to 136,733.08, 204,824.89 and 68,137.72 is: 102,069.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,733.08 : 204,824.89 = 68,137.72 : x
  2. Step 2: Convert to fraction form
    136,733.08/204,824.89 = 68,137.72/x
  3. Step 3: Cross multiply
    136,733.08x = 204,824.89 × 68,137.72
  4. Step 4: Simplify right side
    136,733.08x = 13,956,301,003.85
  5. Step 5: Solve for x
    x = 13,956,301,003.85/136,733.08
  6. Step 6: Final answer
    x = 102,069.67

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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.