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Finding the Fourth Proportional to 113,849.20, 170,466.60 and 113,849.20

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Solution

The fourth proportional to 113,849.20, 170,466.60 and 113,849.20 is: 170,466.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,849.20 : 170,466.60 = 113,849.20 : x
  2. Step 2: Convert to fraction form
    113,849.20/170,466.60 = 113,849.20/x
  3. Step 3: Cross multiply
    113,849.20x = 170,466.60 × 113,849.20
  4. Step 4: Simplify right side
    113,849.20x = 19,407,486,036.72
  5. Step 5: Solve for x
    x = 19,407,486,036.72/113,849.20
  6. Step 6: Final answer
    x = 170,466.60

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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.