Home / 141,007.37-194,480.19-87,322.19

Finding the Fourth Proportional to 141,007.37, 194,480.19 and 87,322.19

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Solution

The fourth proportional to 141,007.37, 194,480.19 and 87,322.19 is: 120,436.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,007.37 : 194,480.19 = 87,322.19 : x
  2. Step 2: Convert to fraction form
    141,007.37/194,480.19 = 87,322.19/x
  3. Step 3: Cross multiply
    141,007.37x = 194,480.19 × 87,322.19
  4. Step 4: Simplify right side
    141,007.37x = 16,982,435,130.02
  5. Step 5: Solve for x
    x = 16,982,435,130.02/141,007.37
  6. Step 6: Final answer
    x = 120,436.51

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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.