Home / 234,950.23-324,083.81-139,389.25

Finding the Fourth Proportional to 234,950.23, 324,083.81 and 139,389.25

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Solution

The fourth proportional to 234,950.23, 324,083.81 and 139,389.25 is: 192,269.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,950.23 : 324,083.81 = 139,389.25 : x
  2. Step 2: Convert to fraction form
    234,950.23/324,083.81 = 139,389.25/x
  3. Step 3: Cross multiply
    234,950.23x = 324,083.81 × 139,389.25
  4. Step 4: Simplify right side
    234,950.23x = 45,173,798,516.10
  5. Step 5: Solve for x
    x = 45,173,798,516.10/234,950.23
  6. Step 6: Final answer
    x = 192,269.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.