Home / 122,586.30-183,879.45-43,703.10

Finding the Fourth Proportional to 122,586.30, 183,879.45 and 43,703.10

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Solution

The fourth proportional to 122,586.30, 183,879.45 and 43,703.10 is: 65,554.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,586.30 : 183,879.45 = 43,703.10 : x
  2. Step 2: Convert to fraction form
    122,586.30/183,879.45 = 43,703.10/x
  3. Step 3: Cross multiply
    122,586.30x = 183,879.45 × 43,703.10
  4. Step 4: Simplify right side
    122,586.30x = 8,036,101,991.30
  5. Step 5: Solve for x
    x = 8,036,101,991.30/122,586.30
  6. Step 6: Final answer
    x = 65,554.65

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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.