Home / 171,617.40-257,419.08-71,751.96

Finding the Fourth Proportional to 171,617.40, 257,419.08 and 71,751.96

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Solution

The fourth proportional to 171,617.40, 257,419.08 and 71,751.96 is: 107,625.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,617.40 : 257,419.08 = 71,751.96 : x
  2. Step 2: Convert to fraction form
    171,617.40/257,419.08 = 71,751.96/x
  3. Step 3: Cross multiply
    171,617.40x = 257,419.08 × 71,751.96
  4. Step 4: Simplify right side
    171,617.40x = 18,470,323,531.40
  5. Step 5: Solve for x
    x = 18,470,323,531.40/171,617.40
  6. Step 6: Final answer
    x = 107,625.00

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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.