Home / 77,189.22-115,788.69-24,600.78

Finding the Fourth Proportional to 77,189.22, 115,788.69 and 24,600.78

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Solution

The fourth proportional to 77,189.22, 115,788.69 and 24,600.78 is: 36,902.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,189.22 : 115,788.69 = 24,600.78 : x
  2. Step 2: Convert to fraction form
    77,189.22/115,788.69 = 24,600.78/x
  3. Step 3: Cross multiply
    77,189.22x = 115,788.69 × 24,600.78
  4. Step 4: Simplify right side
    77,189.22x = 2,848,492,089.18
  5. Step 5: Solve for x
    x = 2,848,492,089.18/77,189.22
  6. Step 6: Final answer
    x = 36,902.72

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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.