Home / 405,968.04-609,026.85-136,069.83

Finding the Fourth Proportional to 405,968.04, 609,026.85 and 136,069.83

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Solution

The fourth proportional to 405,968.04, 609,026.85 and 136,069.83 is: 204,129.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,968.04 : 609,026.85 = 136,069.83 : x
  2. Step 2: Convert to fraction form
    405,968.04/609,026.85 = 136,069.83/x
  3. Step 3: Cross multiply
    405,968.04x = 609,026.85 × 136,069.83
  4. Step 4: Simplify right side
    405,968.04x = 82,870,179,944.94
  5. Step 5: Solve for x
    x = 82,870,179,944.94/405,968.04
  6. Step 6: Final answer
    x = 204,129.81

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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.