Home / 135,840.56-187,451.03-75,408.26

Finding the Fourth Proportional to 135,840.56, 187,451.03 and 75,408.26

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Solution

The fourth proportional to 135,840.56, 187,451.03 and 75,408.26 is: 104,058.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,840.56 : 187,451.03 = 75,408.26 : x
  2. Step 2: Convert to fraction form
    135,840.56/187,451.03 = 75,408.26/x
  3. Step 3: Cross multiply
    135,840.56x = 187,451.03 × 75,408.26
  4. Step 4: Simplify right side
    135,840.56x = 14,135,355,258.77
  5. Step 5: Solve for x
    x = 14,135,355,258.77/135,840.56
  6. Step 6: Final answer
    x = 104,058.43

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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.