Home / 171,708.04-257,556.60-45,344.40

Finding the Fourth Proportional to 171,708.04, 257,556.60 and 45,344.40

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Solution

The fourth proportional to 171,708.04, 257,556.60 and 45,344.40 is: 68,015.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,708.04 : 257,556.60 = 45,344.40 : x
  2. Step 2: Convert to fraction form
    171,708.04/257,556.60 = 45,344.40/x
  3. Step 3: Cross multiply
    171,708.04x = 257,556.60 × 45,344.40
  4. Step 4: Simplify right side
    171,708.04x = 11,678,749,493.04
  5. Step 5: Solve for x
    x = 11,678,749,493.04/171,708.04
  6. Step 6: Final answer
    x = 68,015.16

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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.