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Finding the Fourth Proportional to 181,566.56, 272,393.58 and 56,907.56

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Solution

The fourth proportional to 181,566.56, 272,393.58 and 56,907.56 is: 85,375.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,566.56 : 272,393.58 = 56,907.56 : x
  2. Step 2: Convert to fraction form
    181,566.56/272,393.58 = 56,907.56/x
  3. Step 3: Cross multiply
    181,566.56x = 272,393.58 × 56,907.56
  4. Step 4: Simplify right side
    181,566.56x = 15,501,254,891.85
  5. Step 5: Solve for x
    x = 15,501,254,891.85/181,566.56
  6. Step 6: Final answer
    x = 85,375.05

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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.