Home / 138,698.22-191,402.46-75,035.82

Finding the Fourth Proportional to 138,698.22, 191,402.46 and 75,035.82

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Solution

The fourth proportional to 138,698.22, 191,402.46 and 75,035.82 is: 103,548.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,698.22 : 191,402.46 = 75,035.82 : x
  2. Step 2: Convert to fraction form
    138,698.22/191,402.46 = 75,035.82/x
  3. Step 3: Cross multiply
    138,698.22x = 191,402.46 × 75,035.82
  4. Step 4: Simplify right side
    138,698.22x = 14,362,040,536.12
  5. Step 5: Solve for x
    x = 14,362,040,536.12/138,698.22
  6. Step 6: Final answer
    x = 103,548.85

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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.