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Finding the Fourth Proportional to 181,245.60, 271,965.60 and 76,075.20

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Solution

The fourth proportional to 181,245.60, 271,965.60 and 76,075.20 is: 114,153.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,245.60 : 271,965.60 = 76,075.20 : x
  2. Step 2: Convert to fraction form
    181,245.60/271,965.60 = 76,075.20/x
  3. Step 3: Cross multiply
    181,245.60x = 271,965.60 × 76,075.20
  4. Step 4: Simplify right side
    181,245.60x = 20,689,837,413.12
  5. Step 5: Solve for x
    x = 20,689,837,413.12/181,245.60
  6. Step 6: Final answer
    x = 114,153.60

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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.