Home / 210,004.49-314,908.22-76,791.59

Finding the Fourth Proportional to 210,004.49, 314,908.22 and 76,791.59

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Solution

The fourth proportional to 210,004.49, 314,908.22 and 76,791.59 is: 115,151.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,004.49 : 314,908.22 = 76,791.59 : x
  2. Step 2: Convert to fraction form
    210,004.49/314,908.22 = 76,791.59/x
  3. Step 3: Cross multiply
    210,004.49x = 314,908.22 × 76,791.59
  4. Step 4: Simplify right side
    210,004.49x = 24,182,302,917.87
  5. Step 5: Solve for x
    x = 24,182,302,917.87/210,004.49
  6. Step 6: Final answer
    x = 115,151.36

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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.