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Finding the Fourth Proportional to 76,118.67, 114,197.04 and 28,733.67

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Solution

The fourth proportional to 76,118.67, 114,197.04 and 28,733.67 is: 43,107.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,118.67 : 114,197.04 = 28,733.67 : x
  2. Step 2: Convert to fraction form
    76,118.67/114,197.04 = 28,733.67/x
  3. Step 3: Cross multiply
    76,118.67x = 114,197.04 × 28,733.67
  4. Step 4: Simplify right side
    76,118.67x = 3,281,300,062.34
  5. Step 5: Solve for x
    x = 3,281,300,062.34/76,118.67
  6. Step 6: Final answer
    x = 43,107.69

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1.5x scale

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.