Home / 136,262.84-204,427.08-42,768.56

Finding the Fourth Proportional to 136,262.84, 204,427.08 and 42,768.56

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Solution

The fourth proportional to 136,262.84, 204,427.08 and 42,768.56 is: 64,163.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,262.84 : 204,427.08 = 42,768.56 : x
  2. Step 2: Convert to fraction form
    136,262.84/204,427.08 = 42,768.56/x
  3. Step 3: Cross multiply
    136,262.84x = 204,427.08 × 42,768.56
  4. Step 4: Simplify right side
    136,262.84x = 8,743,051,836.60
  5. Step 5: Solve for x
    x = 8,743,051,836.60/136,262.84
  6. Step 6: Final answer
    x = 64,163.14

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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.