Home / 136,039.48-204,093.80-79,927

Finding the Fourth Proportional to 136,039.48, 204,093.80 and 79,927

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Solution

The fourth proportional to 136,039.48, 204,093.80 and 79,927 is: 119,910.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,039.48 : 204,093.80 = 79,927 : x
  2. Step 2: Convert to fraction form
    136,039.48/204,093.80 = 79,927/x
  3. Step 3: Cross multiply
    136,039.48x = 204,093.80 × 79,927
  4. Step 4: Simplify right side
    136,039.48x = 16,312,605,152.60
  5. Step 5: Solve for x
    x = 16,312,605,152.60/136,039.48
  6. Step 6: Final answer
    x = 119,910.82

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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.