Home / 136,072.10-187,778.48-75,648.26

Finding the Fourth Proportional to 136,072.10, 187,778.48 and 75,648.26

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Solution

The fourth proportional to 136,072.10, 187,778.48 and 75,648.26 is: 104,394.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,072.10 : 187,778.48 = 75,648.26 : x
  2. Step 2: Convert to fraction form
    136,072.10/187,778.48 = 75,648.26/x
  3. Step 3: Cross multiply
    136,072.10x = 187,778.48 × 75,648.26
  4. Step 4: Simplify right side
    136,072.10x = 14,205,115,277.44
  5. Step 5: Solve for x
    x = 14,205,115,277.44/136,072.10
  6. Step 6: Final answer
    x = 104,394.03

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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.