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Finding the Fourth Proportional to 176,746.94, 265,086.19 and 68,676.12

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Solution

The fourth proportional to 176,746.94, 265,086.19 and 68,676.12 is: 103,000.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,746.94 : 265,086.19 = 68,676.12 : x
  2. Step 2: Convert to fraction form
    176,746.94/265,086.19 = 68,676.12/x
  3. Step 3: Cross multiply
    176,746.94x = 265,086.19 × 68,676.12
  4. Step 4: Simplify right side
    176,746.94x = 18,205,089,325.97
  5. Step 5: Solve for x
    x = 18,205,089,325.97/176,746.94
  6. Step 6: Final answer
    x = 103,000.87

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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.