Home / 189,584.72-284,172.96-100,748.80

Finding the Fourth Proportional to 189,584.72, 284,172.96 and 100,748.80

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Solution

The fourth proportional to 189,584.72, 284,172.96 and 100,748.80 is: 151,014.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,584.72 : 284,172.96 = 100,748.80 : x
  2. Step 2: Convert to fraction form
    189,584.72/284,172.96 = 100,748.80/x
  3. Step 3: Cross multiply
    189,584.72x = 284,172.96 × 100,748.80
  4. Step 4: Simplify right side
    189,584.72x = 28,630,084,712.45
  5. Step 5: Solve for x
    x = 28,630,084,712.45/189,584.72
  6. Step 6: Final answer
    x = 151,014.73

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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.