Home / 122,666.42-183,811.86-82,536.79

Finding the Fourth Proportional to 122,666.42, 183,811.86 and 82,536.79

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Solution

The fourth proportional to 122,666.42, 183,811.86 and 82,536.79 is: 123,678.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,666.42 : 183,811.86 = 82,536.79 : x
  2. Step 2: Convert to fraction form
    122,666.42/183,811.86 = 82,536.79/x
  3. Step 3: Cross multiply
    122,666.42x = 183,811.86 × 82,536.79
  4. Step 4: Simplify right side
    122,666.42x = 15,171,240,888.33
  5. Step 5: Solve for x
    x = 15,171,240,888.33/122,666.42
  6. Step 6: Final answer
    x = 123,678.84

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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.