Home / 276,152.50-414,233.79-86,608.63

Finding the Fourth Proportional to 276,152.50, 414,233.79 and 86,608.63

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Solution

The fourth proportional to 276,152.50, 414,233.79 and 86,608.63 is: 129,914.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,152.50 : 414,233.79 = 86,608.63 : x
  2. Step 2: Convert to fraction form
    276,152.50/414,233.79 = 86,608.63/x
  3. Step 3: Cross multiply
    276,152.50x = 414,233.79 × 86,608.63
  4. Step 4: Simplify right side
    276,152.50x = 35,876,221,051.61
  5. Step 5: Solve for x
    x = 35,876,221,051.61/276,152.50
  6. Step 6: Final answer
    x = 129,914.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.