Home / 77,673.60-116,339.67-64,193.85

Finding the Fourth Proportional to 77,673.60, 116,339.67 and 64,193.85

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Solution

The fourth proportional to 77,673.60, 116,339.67 and 64,193.85 is: 96,149.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,673.60 : 116,339.67 = 64,193.85 : x
  2. Step 2: Convert to fraction form
    77,673.60/116,339.67 = 64,193.85/x
  3. Step 3: Cross multiply
    77,673.60x = 116,339.67 × 64,193.85
  4. Step 4: Simplify right side
    77,673.60x = 7,468,291,325.03
  5. Step 5: Solve for x
    x = 7,468,291,325.03/77,673.60
  6. Step 6: Final answer
    x = 96,149.67

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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.