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Finding the Fourth Proportional to 113,674.56, 170,511.84 and 51,328.32

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Solution

The fourth proportional to 113,674.56, 170,511.84 and 51,328.32 is: 76,992.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,674.56 : 170,511.84 = 51,328.32 : x
  2. Step 2: Convert to fraction form
    113,674.56/170,511.84 = 51,328.32/x
  3. Step 3: Cross multiply
    113,674.56x = 170,511.84 × 51,328.32
  4. Step 4: Simplify right side
    113,674.56x = 8,752,086,287.31
  5. Step 5: Solve for x
    x = 8,752,086,287.31/113,674.56
  6. Step 6: Final answer
    x = 76,992.48

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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.