Home / 122,475.84-169,003.62-68,766.72

Finding the Fourth Proportional to 122,475.84, 169,003.62 and 68,766.72

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Solution

The fourth proportional to 122,475.84, 169,003.62 and 68,766.72 is: 94,890.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,475.84 : 169,003.62 = 68,766.72 : x
  2. Step 2: Convert to fraction form
    122,475.84/169,003.62 = 68,766.72/x
  3. Step 3: Cross multiply
    122,475.84x = 169,003.62 × 68,766.72
  4. Step 4: Simplify right side
    122,475.84x = 11,621,824,615.53
  5. Step 5: Solve for x
    x = 11,621,824,615.53/122,475.84
  6. Step 6: Final answer
    x = 94,890.75

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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.