Home / 195,678.02-270,579.22-155,321.72

Finding the Fourth Proportional to 195,678.02, 270,579.22 and 155,321.72

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Solution

The fourth proportional to 195,678.02, 270,579.22 and 155,321.72 is: 214,775.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,678.02 : 270,579.22 = 155,321.72 : x
  2. Step 2: Convert to fraction form
    195,678.02/270,579.22 = 155,321.72/x
  3. Step 3: Cross multiply
    195,678.02x = 270,579.22 × 155,321.72
  4. Step 4: Simplify right side
    195,678.02x = 42,026,829,846.66
  5. Step 5: Solve for x
    x = 42,026,829,846.66/195,678.02
  6. Step 6: Final answer
    x = 214,775.42

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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.