Home / 289,625.16-434,495.74-100,092.44

Finding the Fourth Proportional to 289,625.16, 434,495.74 and 100,092.44

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Solution

The fourth proportional to 289,625.16, 434,495.74 and 100,092.44 is: 150,158.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,625.16 : 434,495.74 = 100,092.44 : x
  2. Step 2: Convert to fraction form
    289,625.16/434,495.74 = 100,092.44/x
  3. Step 3: Cross multiply
    289,625.16x = 434,495.74 × 100,092.44
  4. Step 4: Simplify right side
    289,625.16x = 43,489,738,786.21
  5. Step 5: Solve for x
    x = 43,489,738,786.21/289,625.16
  6. Step 6: Final answer
    x = 150,158.70

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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.