Home / 210,976.98-316,367.07-122,255.94

Finding the Fourth Proportional to 210,976.98, 316,367.07 and 122,255.94

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Solution

The fourth proportional to 210,976.98, 316,367.07 and 122,255.94 is: 183,326.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,976.98 : 316,367.07 = 122,255.94 : x
  2. Step 2: Convert to fraction form
    210,976.98/316,367.07 = 122,255.94/x
  3. Step 3: Cross multiply
    210,976.98x = 316,367.07 × 122,255.94
  4. Step 4: Simplify right side
    210,976.98x = 38,677,753,527.90
  5. Step 5: Solve for x
    x = 38,677,753,527.90/210,976.98
  6. Step 6: Final answer
    x = 183,326.89

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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.