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Finding the Fourth Proportional to 117,804.58, 176,702.61 and 51,244.75

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Solution

The fourth proportional to 117,804.58, 176,702.61 and 51,244.75 is: 76,865.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,804.58 : 176,702.61 = 51,244.75 : x
  2. Step 2: Convert to fraction form
    117,804.58/176,702.61 = 51,244.75/x
  3. Step 3: Cross multiply
    117,804.58x = 176,702.61 × 51,244.75
  4. Step 4: Simplify right side
    117,804.58x = 9,055,081,486.84
  5. Step 5: Solve for x
    x = 9,055,081,486.84/117,804.58
  6. Step 6: Final answer
    x = 76,865.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.