Home / 208,582.38-287,826.48-117,947.61

Finding the Fourth Proportional to 208,582.38, 287,826.48 and 117,947.61

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Solution

The fourth proportional to 208,582.38, 287,826.48 and 117,947.61 is: 162,757.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,582.38 : 287,826.48 = 117,947.61 : x
  2. Step 2: Convert to fraction form
    208,582.38/287,826.48 = 117,947.61/x
  3. Step 3: Cross multiply
    208,582.38x = 287,826.48 × 117,947.61
  4. Step 4: Simplify right side
    208,582.38x = 33,948,445,410.71
  5. Step 5: Solve for x
    x = 33,948,445,410.71/208,582.38
  6. Step 6: Final answer
    x = 162,757.97

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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.