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Finding the Fourth Proportional to 100,602.07, 138,822.73 and 58,163.33

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Solution

The fourth proportional to 100,602.07, 138,822.73 and 58,163.33 is: 80,260.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,602.07 : 138,822.73 = 58,163.33 : x
  2. Step 2: Convert to fraction form
    100,602.07/138,822.73 = 58,163.33/x
  3. Step 3: Cross multiply
    100,602.07x = 138,822.73 × 58,163.33
  4. Step 4: Simplify right side
    100,602.07x = 8,074,392,458.14
  5. Step 5: Solve for x
    x = 8,074,392,458.14/100,602.07
  6. Step 6: Final answer
    x = 80,260.70

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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.