Home / 178,893.90-246,896.91-115,416.36

Finding the Fourth Proportional to 178,893.90, 246,896.91 and 115,416.36

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Solution

The fourth proportional to 178,893.90, 246,896.91 and 115,416.36 is: 159,289.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,893.90 : 246,896.91 = 115,416.36 : x
  2. Step 2: Convert to fraction form
    178,893.90/246,896.91 = 115,416.36/x
  3. Step 3: Cross multiply
    178,893.90x = 246,896.91 × 115,416.36
  4. Step 4: Simplify right side
    178,893.90x = 28,495,942,647.45
  5. Step 5: Solve for x
    x = 28,495,942,647.45/178,893.90
  6. Step 6: Final answer
    x = 159,289.63

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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.