Home / 139,087.22-191,938.68-75,424.25

Finding the Fourth Proportional to 139,087.22, 191,938.68 and 75,424.25

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Solution

The fourth proportional to 139,087.22, 191,938.68 and 75,424.25 is: 104,084.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,087.22 : 191,938.68 = 75,424.25 : x
  2. Step 2: Convert to fraction form
    139,087.22/191,938.68 = 75,424.25/x
  3. Step 3: Cross multiply
    139,087.22x = 191,938.68 × 75,424.25
  4. Step 4: Simplify right side
    139,087.22x = 14,476,831,464.84
  5. Step 5: Solve for x
    x = 14,476,831,464.84/139,087.22
  6. Step 6: Final answer
    x = 104,084.56

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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.