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Finding the Fourth Proportional to 100,003.68, 138,004.74 and 59,741.01

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Solution

The fourth proportional to 100,003.68, 138,004.74 and 59,741.01 is: 82,442.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,003.68 : 138,004.74 = 59,741.01 : x
  2. Step 2: Convert to fraction form
    100,003.68/138,004.74 = 59,741.01/x
  3. Step 3: Cross multiply
    100,003.68x = 138,004.74 × 59,741.01
  4. Step 4: Simplify right side
    100,003.68x = 8,244,542,552.39
  5. Step 5: Solve for x
    x = 8,244,542,552.39/100,003.68
  6. Step 6: Final answer
    x = 82,442.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.