Home / 171,725.06-257,558.43-45,366.68

Finding the Fourth Proportional to 171,725.06, 257,558.43 and 45,366.68

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Solution

The fourth proportional to 171,725.06, 257,558.43 and 45,366.68 is: 68,042.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,725.06 : 257,558.43 = 45,366.68 : x
  2. Step 2: Convert to fraction form
    171,725.06/257,558.43 = 45,366.68/x
  3. Step 3: Cross multiply
    171,725.06x = 257,558.43 × 45,366.68
  4. Step 4: Simplify right side
    171,725.06x = 11,684,570,875.11
  5. Step 5: Solve for x
    x = 11,684,570,875.11/171,725.06
  6. Step 6: Final answer
    x = 68,042.32

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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.