Home / 136,262.85-204,435.75-69,749.67

Finding the Fourth Proportional to 136,262.85, 204,435.75 and 69,749.67

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Solution

The fourth proportional to 136,262.85, 204,435.75 and 69,749.67 is: 104,645.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,262.85 : 204,435.75 = 69,749.67 : x
  2. Step 2: Convert to fraction form
    136,262.85/204,435.75 = 69,749.67/x
  3. Step 3: Cross multiply
    136,262.85x = 204,435.75 × 69,749.67
  4. Step 4: Simplify right side
    136,262.85x = 14,259,326,098.70
  5. Step 5: Solve for x
    x = 14,259,326,098.70/136,262.85
  6. Step 6: Final answer
    x = 104,645.74

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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.