Home / 122,506.02-169,042.95-68,790.87

Finding the Fourth Proportional to 122,506.02, 169,042.95 and 68,790.87

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Solution

The fourth proportional to 122,506.02, 169,042.95 and 68,790.87 is: 94,922.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,506.02 : 169,042.95 = 68,790.87 : x
  2. Step 2: Convert to fraction form
    122,506.02/169,042.95 = 68,790.87/x
  3. Step 3: Cross multiply
    122,506.02x = 169,042.95 × 68,790.87
  4. Step 4: Simplify right side
    122,506.02x = 11,628,611,597.87
  5. Step 5: Solve for x
    x = 11,628,611,597.87/122,506.02
  6. Step 6: Final answer
    x = 94,922.78

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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.