Home / 208,464.36-287,528.94-131,995.92

Finding the Fourth Proportional to 208,464.36, 287,528.94 and 131,995.92

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Solution

The fourth proportional to 208,464.36, 287,528.94 and 131,995.92 is: 182,058.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,464.36 : 287,528.94 = 131,995.92 : x
  2. Step 2: Convert to fraction form
    208,464.36/287,528.94 = 131,995.92/x
  3. Step 3: Cross multiply
    208,464.36x = 287,528.94 × 131,995.92
  4. Step 4: Simplify right side
    208,464.36x = 37,952,646,961.92
  5. Step 5: Solve for x
    x = 37,952,646,961.92/208,464.36
  6. Step 6: Final answer
    x = 182,058.20

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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.