Home / 122,949.85-169,669.12-69,235.51

Finding the Fourth Proportional to 122,949.85, 169,669.12 and 69,235.51

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Solution

The fourth proportional to 122,949.85, 169,669.12 and 69,235.51 is: 95,544.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,949.85 : 169,669.12 = 69,235.51 : x
  2. Step 2: Convert to fraction form
    122,949.85/169,669.12 = 69,235.51/x
  3. Step 3: Cross multiply
    122,949.85x = 169,669.12 × 69,235.51
  4. Step 4: Simplify right side
    122,949.85x = 11,747,128,054.45
  5. Step 5: Solve for x
    x = 11,747,128,054.45/122,949.85
  6. Step 6: Final answer
    x = 95,544.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.