Home / 208,544.11-287,689.39-123,601.03

Finding the Fourth Proportional to 208,544.11, 287,689.39 and 123,601.03

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Solution

The fourth proportional to 208,544.11, 287,689.39 and 123,601.03 is: 170,509.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,544.11 : 287,689.39 = 123,601.03 : x
  2. Step 2: Convert to fraction form
    208,544.11/287,689.39 = 123,601.03/x
  3. Step 3: Cross multiply
    208,544.11x = 287,689.39 × 123,601.03
  4. Step 4: Simplify right side
    208,544.11x = 35,558,704,924.07
  5. Step 5: Solve for x
    x = 35,558,704,924.07/208,544.11
  6. Step 6: Final answer
    x = 170,509.27

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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.