Home / 208,467.61-312,459.83-95,911.63

Finding the Fourth Proportional to 208,467.61, 312,459.83 and 95,911.63

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Solution

The fourth proportional to 208,467.61, 312,459.83 and 95,911.63 is: 143,756.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,467.61 : 312,459.83 = 95,911.63 : x
  2. Step 2: Convert to fraction form
    208,467.61/312,459.83 = 95,911.63/x
  3. Step 3: Cross multiply
    208,467.61x = 312,459.83 × 95,911.63
  4. Step 4: Simplify right side
    208,467.61x = 29,968,530,703.78
  5. Step 5: Solve for x
    x = 29,968,530,703.78/208,467.61
  6. Step 6: Final answer
    x = 143,756.29

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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.