Home / 208,765.15-288,092.31-127,063.79

Finding the Fourth Proportional to 208,765.15, 288,092.31 and 127,063.79

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Solution

The fourth proportional to 208,765.15, 288,092.31 and 127,063.79 is: 175,345.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,765.15 : 288,092.31 = 127,063.79 : x
  2. Step 2: Convert to fraction form
    208,765.15/288,092.31 = 127,063.79/x
  3. Step 3: Cross multiply
    208,765.15x = 288,092.31 × 127,063.79
  4. Step 4: Simplify right side
    208,765.15x = 36,606,100,924.61
  5. Step 5: Solve for x
    x = 36,606,100,924.61/208,765.15
  6. Step 6: Final answer
    x = 175,345.84

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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.