Home / 202,728.18-304,141.86-142,873.44

Finding the Fourth Proportional to 202,728.18, 304,141.86 and 142,873.44

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Solution

The fourth proportional to 202,728.18, 304,141.86 and 142,873.44 is: 214,345.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,728.18 : 304,141.86 = 142,873.44 : x
  2. Step 2: Convert to fraction form
    202,728.18/304,141.86 = 142,873.44/x
  3. Step 3: Cross multiply
    202,728.18x = 304,141.86 × 142,873.44
  4. Step 4: Simplify right side
    202,728.18x = 43,453,793,786.20
  5. Step 5: Solve for x
    x = 43,453,793,786.20/202,728.18
  6. Step 6: Final answer
    x = 214,345.11

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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.