Home / 208,367.16-287,548.02-112,873.77

Finding the Fourth Proportional to 208,367.16, 287,548.02 and 112,873.77

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Solution

The fourth proportional to 208,367.16, 287,548.02 and 112,873.77 is: 155,766.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,367.16 : 287,548.02 = 112,873.77 : x
  2. Step 2: Convert to fraction form
    208,367.16/287,548.02 = 112,873.77/x
  3. Step 3: Cross multiply
    208,367.16x = 287,548.02 × 112,873.77
  4. Step 4: Simplify right side
    208,367.16x = 32,456,629,073.44
  5. Step 5: Solve for x
    x = 32,456,629,073.44/208,367.16
  6. Step 6: Final answer
    x = 155,766.53

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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.