Home / 208,571.19-287,842.98-117,928.04

Finding the Fourth Proportional to 208,571.19, 287,842.98 and 117,928.04

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Solution

The fourth proportional to 208,571.19, 287,842.98 and 117,928.04 is: 162,749.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,571.19 : 287,842.98 = 117,928.04 : x
  2. Step 2: Convert to fraction form
    208,571.19/287,842.98 = 117,928.04/x
  3. Step 3: Cross multiply
    208,571.19x = 287,842.98 × 117,928.04
  4. Step 4: Simplify right side
    208,571.19x = 33,944,757,462.17
  5. Step 5: Solve for x
    x = 33,944,757,462.17/208,571.19
  6. Step 6: Final answer
    x = 162,749.03

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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.