Home / 208,273.84-287,418.04-112,780.92

Finding the Fourth Proportional to 208,273.84, 287,418.04 and 112,780.92

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Solution

The fourth proportional to 208,273.84, 287,418.04 and 112,780.92 is: 155,637.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,273.84 : 287,418.04 = 112,780.92 : x
  2. Step 2: Convert to fraction form
    208,273.84/287,418.04 = 112,780.92/x
  3. Step 3: Cross multiply
    208,273.84x = 287,418.04 × 112,780.92
  4. Step 4: Simplify right side
    208,273.84x = 32,415,270,975.80
  5. Step 5: Solve for x
    x = 32,415,270,975.80/208,273.84
  6. Step 6: Final answer
    x = 155,637.75

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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.