Home / 208,267.08-287,407.89-117,641.85

Finding the Fourth Proportional to 208,267.08, 287,407.89 and 117,641.85

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Solution

The fourth proportional to 208,267.08, 287,407.89 and 117,641.85 is: 162,345.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,267.08 : 287,407.89 = 117,641.85 : x
  2. Step 2: Convert to fraction form
    208,267.08/287,407.89 = 117,641.85/x
  3. Step 3: Cross multiply
    208,267.08x = 287,407.89 × 117,641.85
  4. Step 4: Simplify right side
    208,267.08x = 33,811,195,884.20
  5. Step 5: Solve for x
    x = 33,811,195,884.20/208,267.08
  6. Step 6: Final answer
    x = 162,345.37

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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.