Home / 171,982.52-257,856.02-87,579.31

Finding the Fourth Proportional to 171,982.52, 257,856.02 and 87,579.31

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Solution

The fourth proportional to 171,982.52, 257,856.02 and 87,579.31 is: 131,308.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,982.52 : 257,856.02 = 87,579.31 : x
  2. Step 2: Convert to fraction form
    171,982.52/257,856.02 = 87,579.31/x
  3. Step 3: Cross multiply
    171,982.52x = 257,856.02 × 87,579.31
  4. Step 4: Simplify right side
    171,982.52x = 22,582,851,021.67
  5. Step 5: Solve for x
    x = 22,582,851,021.67/171,982.52
  6. Step 6: Final answer
    x = 131,308.99

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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.