Home / 102,634.08-153,835.98-67,163.64

Finding the Fourth Proportional to 102,634.08, 153,835.98 and 67,163.64

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Solution

The fourth proportional to 102,634.08, 153,835.98 and 67,163.64 is: 100,670.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,634.08 : 153,835.98 = 67,163.64 : x
  2. Step 2: Convert to fraction form
    102,634.08/153,835.98 = 67,163.64/x
  3. Step 3: Cross multiply
    102,634.08x = 153,835.98 × 67,163.64
  4. Step 4: Simplify right side
    102,634.08x = 10,332,184,379.77
  5. Step 5: Solve for x
    x = 10,332,184,379.77/102,634.08
  6. Step 6: Final answer
    x = 100,670.11

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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.