Home / 205,955.56-284,152.62-115,298.20

Finding the Fourth Proportional to 205,955.56, 284,152.62 and 115,298.20

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Solution

The fourth proportional to 205,955.56, 284,152.62 and 115,298.20 is: 159,074.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,955.56 : 284,152.62 = 115,298.20 : x
  2. Step 2: Convert to fraction form
    205,955.56/284,152.62 = 115,298.20/x
  3. Step 3: Cross multiply
    205,955.56x = 284,152.62 × 115,298.20
  4. Step 4: Simplify right side
    205,955.56x = 32,762,285,611.28
  5. Step 5: Solve for x
    x = 32,762,285,611.28/205,955.56
  6. Step 6: Final answer
    x = 159,074.54

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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.