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Finding the Fourth Proportional to 170,393.37, 255,636.08 and 52,061.49

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Solution

The fourth proportional to 170,393.37, 255,636.08 and 52,061.49 is: 78,106.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,393.37 : 255,636.08 = 52,061.49 : x
  2. Step 2: Convert to fraction form
    170,393.37/255,636.08 = 52,061.49/x
  3. Step 3: Cross multiply
    170,393.37x = 255,636.08 × 52,061.49
  4. Step 4: Simplify right side
    170,393.37x = 13,308,795,222.56
  5. Step 5: Solve for x
    x = 13,308,795,222.56/170,393.37
  6. Step 6: Final answer
    x = 78,106.30

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1.5x scale

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.