Home / 208,606.41-287,924.49-122,575.50

Finding the Fourth Proportional to 208,606.41, 287,924.49 and 122,575.50

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Solution

The fourth proportional to 208,606.41, 287,924.49 and 122,575.50 is: 169,182.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,606.41 : 287,924.49 = 122,575.50 : x
  2. Step 2: Convert to fraction form
    208,606.41/287,924.49 = 122,575.50/x
  3. Step 3: Cross multiply
    208,606.41x = 287,924.49 × 122,575.50
  4. Step 4: Simplify right side
    208,606.41x = 35,292,488,324.00
  5. Step 5: Solve for x
    x = 35,292,488,324.00/208,606.41
  6. Step 6: Final answer
    x = 169,182.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.