Home / 86,100.17-129,055.48-36,163.67

Finding the Fourth Proportional to 86,100.17, 129,055.48 and 36,163.67

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Solution

The fourth proportional to 86,100.17, 129,055.48 and 36,163.67 is: 54,205.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,100.17 : 129,055.48 = 36,163.67 : x
  2. Step 2: Convert to fraction form
    86,100.17/129,055.48 = 36,163.67/x
  3. Step 3: Cross multiply
    86,100.17x = 129,055.48 × 36,163.67
  4. Step 4: Simplify right side
    86,100.17x = 4,667,119,054.73
  5. Step 5: Solve for x
    x = 4,667,119,054.73/86,100.17
  6. Step 6: Final answer
    x = 54,205.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.