Home / 171,619.60-257,502.30-82,827.40

Finding the Fourth Proportional to 171,619.60, 257,502.30 and 82,827.40

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Solution

The fourth proportional to 171,619.60, 257,502.30 and 82,827.40 is: 124,276.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,619.60 : 257,502.30 = 82,827.40 : x
  2. Step 2: Convert to fraction form
    171,619.60/257,502.30 = 82,827.40/x
  3. Step 3: Cross multiply
    171,619.60x = 257,502.30 × 82,827.40
  4. Step 4: Simplify right side
    171,619.60x = 21,328,246,003.02
  5. Step 5: Solve for x
    x = 21,328,246,003.02/171,619.60
  6. Step 6: Final answer
    x = 124,276.28

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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.