Home / 208,573.52-288,069.04-141,388.88

Finding the Fourth Proportional to 208,573.52, 288,069.04 and 141,388.88

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Solution

The fourth proportional to 208,573.52, 288,069.04 and 141,388.88 is: 195,277.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,573.52 : 288,069.04 = 141,388.88 : x
  2. Step 2: Convert to fraction form
    208,573.52/288,069.04 = 141,388.88/x
  3. Step 3: Cross multiply
    208,573.52x = 288,069.04 × 141,388.88
  4. Step 4: Simplify right side
    208,573.52x = 40,729,758,928.28
  5. Step 5: Solve for x
    x = 40,729,758,928.28/208,573.52
  6. Step 6: Final answer
    x = 195,277.71

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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.