Home / 180,391.19-248,872.70-139,010.38

Finding the Fourth Proportional to 180,391.19, 248,872.70 and 139,010.38

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Solution

The fourth proportional to 180,391.19, 248,872.70 and 139,010.38 is: 191,782.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,391.19 : 248,872.70 = 139,010.38 : x
  2. Step 2: Convert to fraction form
    180,391.19/248,872.70 = 139,010.38/x
  3. Step 3: Cross multiply
    180,391.19x = 248,872.70 × 139,010.38
  4. Step 4: Simplify right side
    180,391.19x = 34,595,888,323.97
  5. Step 5: Solve for x
    x = 34,595,888,323.97/180,391.19
  6. Step 6: Final answer
    x = 191,782.59

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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.