Home / 266,942.12-400,134.20-89,303

Finding the Fourth Proportional to 266,942.12, 400,134.20 and 89,303

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Solution

The fourth proportional to 266,942.12, 400,134.20 and 89,303 is: 133,861.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,942.12 : 400,134.20 = 89,303 : x
  2. Step 2: Convert to fraction form
    266,942.12/400,134.20 = 89,303/x
  3. Step 3: Cross multiply
    266,942.12x = 400,134.20 × 89,303
  4. Step 4: Simplify right side
    266,942.12x = 35,733,184,462.60
  5. Step 5: Solve for x
    x = 35,733,184,462.60/266,942.12
  6. Step 6: Final answer
    x = 133,861.17

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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.