Home / 178,868.90-246,862.41-115,391.36

Finding the Fourth Proportional to 178,868.90, 246,862.41 and 115,391.36

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Solution

The fourth proportional to 178,868.90, 246,862.41 and 115,391.36 is: 159,255.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,868.90 : 246,862.41 = 115,391.36 : x
  2. Step 2: Convert to fraction form
    178,868.90/246,862.41 = 115,391.36/x
  3. Step 3: Cross multiply
    178,868.90x = 246,862.41 × 115,391.36
  4. Step 4: Simplify right side
    178,868.90x = 28,485,789,222.78
  5. Step 5: Solve for x
    x = 28,485,789,222.78/178,868.90
  6. Step 6: Final answer
    x = 159,255.13

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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.