Home / 135,087.08-186,185.52-98,729.01

Finding the Fourth Proportional to 135,087.08, 186,185.52 and 98,729.01

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Solution

The fourth proportional to 135,087.08, 186,185.52 and 98,729.01 is: 136,074.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,087.08 : 186,185.52 = 98,729.01 : x
  2. Step 2: Convert to fraction form
    135,087.08/186,185.52 = 98,729.01/x
  3. Step 3: Cross multiply
    135,087.08x = 186,185.52 × 98,729.01
  4. Step 4: Simplify right side
    135,087.08x = 18,381,912,065.94
  5. Step 5: Solve for x
    x = 18,381,912,065.94/135,087.08
  6. Step 6: Final answer
    x = 136,074.54

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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.