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Finding the Fourth Proportional to 171,713.60, 257,450.40 and 101,556.80

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Solution

The fourth proportional to 171,713.60, 257,450.40 and 101,556.80 is: 152,264.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,713.60 : 257,450.40 = 101,556.80 : x
  2. Step 2: Convert to fraction form
    171,713.60/257,450.40 = 101,556.80/x
  3. Step 3: Cross multiply
    171,713.60x = 257,450.40 × 101,556.80
  4. Step 4: Simplify right side
    171,713.60x = 26,145,838,782.72
  5. Step 5: Solve for x
    x = 26,145,838,782.72/171,713.60
  6. Step 6: Final answer
    x = 152,264.23

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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.