Home / 140,917.56-194,527.08-84,318

Finding the Fourth Proportional to 140,917.56, 194,527.08 and 84,318

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Solution

The fourth proportional to 140,917.56, 194,527.08 and 84,318 is: 116,395.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,917.56 : 194,527.08 = 84,318 : x
  2. Step 2: Convert to fraction form
    140,917.56/194,527.08 = 84,318/x
  3. Step 3: Cross multiply
    140,917.56x = 194,527.08 × 84,318
  4. Step 4: Simplify right side
    140,917.56x = 16,402,134,331.44
  5. Step 5: Solve for x
    x = 16,402,134,331.44/140,917.56
  6. Step 6: Final answer
    x = 116,395.25

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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.