Home / 189,234.74-284,048.94-139,371.14

Finding the Fourth Proportional to 189,234.74, 284,048.94 and 139,371.14

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Solution

The fourth proportional to 189,234.74, 284,048.94 and 139,371.14 is: 209,201.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,234.74 : 284,048.94 = 139,371.14 : x
  2. Step 2: Convert to fraction form
    189,234.74/284,048.94 = 139,371.14/x
  3. Step 3: Cross multiply
    189,234.74x = 284,048.94 × 139,371.14
  4. Step 4: Simplify right side
    189,234.74x = 39,588,224,583.59
  5. Step 5: Solve for x
    x = 39,588,224,583.59/189,234.74
  6. Step 6: Final answer
    x = 209,201.68

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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.