Home / 122,669.87-169,302.35-68,959.31

Finding the Fourth Proportional to 122,669.87, 169,302.35 and 68,959.31

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Solution

The fourth proportional to 122,669.87, 169,302.35 and 68,959.31 is: 95,173.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,669.87 : 169,302.35 = 68,959.31 : x
  2. Step 2: Convert to fraction form
    122,669.87/169,302.35 = 68,959.31/x
  3. Step 3: Cross multiply
    122,669.87x = 169,302.35 × 68,959.31
  4. Step 4: Simplify right side
    122,669.87x = 11,674,973,237.38
  5. Step 5: Solve for x
    x = 11,674,973,237.38/122,669.87
  6. Step 6: Final answer
    x = 95,173.93

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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.