Home / 171,415.02-257,288.37-82,730.95

Finding the Fourth Proportional to 171,415.02, 257,288.37 and 82,730.95

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Solution

The fourth proportional to 171,415.02, 257,288.37 and 82,730.95 is: 124,176.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,415.02 : 257,288.37 = 82,730.95 : x
  2. Step 2: Convert to fraction form
    171,415.02/257,288.37 = 82,730.95/x
  3. Step 3: Cross multiply
    171,415.02x = 257,288.37 × 82,730.95
  4. Step 4: Simplify right side
    171,415.02x = 21,285,711,274.05
  5. Step 5: Solve for x
    x = 21,285,711,274.05/171,415.02
  6. Step 6: Final answer
    x = 124,176.47

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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.