Home / 135,587.72-187,091.41-75,158.35

Finding the Fourth Proportional to 135,587.72, 187,091.41 and 75,158.35

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Solution

The fourth proportional to 135,587.72, 187,091.41 and 75,158.35 is: 103,707.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,587.72 : 187,091.41 = 75,158.35 : x
  2. Step 2: Convert to fraction form
    135,587.72/187,091.41 = 75,158.35/x
  3. Step 3: Cross multiply
    135,587.72x = 187,091.41 × 75,158.35
  4. Step 4: Simplify right side
    135,587.72x = 14,061,481,019.15
  5. Step 5: Solve for x
    x = 14,061,481,019.15/135,587.72
  6. Step 6: Final answer
    x = 103,707.63

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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.