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Finding the Fourth Proportional to 113,245.98, 169,744.39 and 46,649.77

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Solution

The fourth proportional to 113,245.98, 169,744.39 and 46,649.77 is: 69,923.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,245.98 : 169,744.39 = 46,649.77 : x
  2. Step 2: Convert to fraction form
    113,245.98/169,744.39 = 46,649.77/x
  3. Step 3: Cross multiply
    113,245.98x = 169,744.39 × 46,649.77
  4. Step 4: Simplify right side
    113,245.98x = 7,918,537,293.28
  5. Step 5: Solve for x
    x = 7,918,537,293.28/113,245.98
  6. Step 6: Final answer
    x = 69,923.34

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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.