Home / 208,010.88-287,054.04-112,517.76

Finding the Fourth Proportional to 208,010.88, 287,054.04 and 112,517.76

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Solution

The fourth proportional to 208,010.88, 287,054.04 and 112,517.76 is: 155,273.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,010.88 : 287,054.04 = 112,517.76 : x
  2. Step 2: Convert to fraction form
    208,010.88/287,054.04 = 112,517.76/x
  3. Step 3: Cross multiply
    208,010.88x = 287,054.04 × 112,517.76
  4. Step 4: Simplify right side
    208,010.88x = 32,298,677,579.75
  5. Step 5: Solve for x
    x = 32,298,677,579.75/208,010.88
  6. Step 6: Final answer
    x = 155,273.98

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1.5x scale

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.