Home / 141,008.37-194,481.57-87,323.19

Finding the Fourth Proportional to 141,008.37, 194,481.57 and 87,323.19

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Solution

The fourth proportional to 141,008.37, 194,481.57 and 87,323.19 is: 120,437.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,008.37 : 194,481.57 = 87,323.19 : x
  2. Step 2: Convert to fraction form
    141,008.37/194,481.57 = 87,323.19/x
  3. Step 3: Cross multiply
    141,008.37x = 194,481.57 × 87,323.19
  4. Step 4: Simplify right side
    141,008.37x = 16,982,751,088.61
  5. Step 5: Solve for x
    x = 16,982,751,088.61/141,008.37
  6. Step 6: Final answer
    x = 120,437.89

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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.