Home / 197,329.84-272,315.23-106,685.78

Finding the Fourth Proportional to 197,329.84, 272,315.23 and 106,685.78

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Solution

The fourth proportional to 197,329.84, 272,315.23 and 106,685.78 is: 147,226.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,329.84 : 272,315.23 = 106,685.78 : x
  2. Step 2: Convert to fraction form
    197,329.84/272,315.23 = 106,685.78/x
  3. Step 3: Cross multiply
    197,329.84x = 272,315.23 × 106,685.78
  4. Step 4: Simplify right side
    197,329.84x = 29,052,161,090.14
  5. Step 5: Solve for x
    x = 29,052,161,090.14/197,329.84
  6. Step 6: Final answer
    x = 147,226.40

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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.