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Finding the Fourth Proportional to 123,393.42, 185,090.16 and 44,507.64

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Solution

The fourth proportional to 123,393.42, 185,090.16 and 44,507.64 is: 66,761.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,393.42 : 185,090.16 = 44,507.64 : x
  2. Step 2: Convert to fraction form
    123,393.42/185,090.16 = 44,507.64/x
  3. Step 3: Cross multiply
    123,393.42x = 185,090.16 × 44,507.64
  4. Step 4: Simplify right side
    123,393.42x = 8,237,926,208.82
  5. Step 5: Solve for x
    x = 8,237,926,208.82/123,393.42
  6. Step 6: Final answer
    x = 66,761.47

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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.