Home / 122,784.94-169,441.45-68,336.74

Finding the Fourth Proportional to 122,784.94, 169,441.45 and 68,336.74

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Solution

The fourth proportional to 122,784.94, 169,441.45 and 68,336.74 is: 94,303.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,784.94 : 169,441.45 = 68,336.74 : x
  2. Step 2: Convert to fraction form
    122,784.94/169,441.45 = 68,336.74/x
  3. Step 3: Cross multiply
    122,784.94x = 169,441.45 × 68,336.74
  4. Step 4: Simplify right side
    122,784.94x = 11,579,076,739.23
  5. Step 5: Solve for x
    x = 11,579,076,739.23/122,784.94
  6. Step 6: Final answer
    x = 94,303.72

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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.