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Finding the Fourth Proportional to 77,468, 116,202 and 19,100

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Solution

The fourth proportional to 77,468, 116,202 and 19,100 is: 28,650

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,468 : 116,202 = 19,100 : x
  2. Step 2: Convert to fraction form
    77,468/116,202 = 19,100/x
  3. Step 3: Cross multiply
    77,468x = 116,202 × 19,100
  4. Step 4: Simplify right side
    77,468x = 2,219,458,200
  5. Step 5: Solve for x
    x = 2,219,458,200/77,468
  6. Step 6: Final answer
    x = 28,650

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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.