Home / 155,816.34-233,539.98-71,505.44

Finding the Fourth Proportional to 155,816.34, 233,539.98 and 71,505.44

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Solution

The fourth proportional to 155,816.34, 233,539.98 and 71,505.44 is: 107,173.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,816.34 : 233,539.98 = 71,505.44 : x
  2. Step 2: Convert to fraction form
    155,816.34/233,539.98 = 71,505.44/x
  3. Step 3: Cross multiply
    155,816.34x = 233,539.98 × 71,505.44
  4. Step 4: Simplify right side
    155,816.34x = 16,699,379,027.49
  5. Step 5: Solve for x
    x = 16,699,379,027.49/155,816.34
  6. Step 6: Final answer
    x = 107,173.48

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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.