Home / 172,893.06-258,835.20-106,130.77

Finding the Fourth Proportional to 172,893.06, 258,835.20 and 106,130.77

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Solution

The fourth proportional to 172,893.06, 258,835.20 and 106,130.77 is: 158,886.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,893.06 : 258,835.20 = 106,130.77 : x
  2. Step 2: Convert to fraction form
    172,893.06/258,835.20 = 106,130.77/x
  3. Step 3: Cross multiply
    172,893.06x = 258,835.20 × 106,130.77
  4. Step 4: Simplify right side
    172,893.06x = 27,470,379,079.10
  5. Step 5: Solve for x
    x = 27,470,379,079.10/172,893.06
  6. Step 6: Final answer
    x = 158,886.53

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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.