Home / 138,670.22-208,100.37-49,924.46

Finding the Fourth Proportional to 138,670.22, 208,100.37 and 49,924.46

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Solution

The fourth proportional to 138,670.22, 208,100.37 and 49,924.46 is: 74,920.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,670.22 : 208,100.37 = 49,924.46 : x
  2. Step 2: Convert to fraction form
    138,670.22/208,100.37 = 49,924.46/x
  3. Step 3: Cross multiply
    138,670.22x = 208,100.37 × 49,924.46
  4. Step 4: Simplify right side
    138,670.22x = 10,389,298,598.05
  5. Step 5: Solve for x
    x = 10,389,298,598.05/138,670.22
  6. Step 6: Final answer
    x = 74,920.91

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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.