Home / 129,982.38-194,973.57-46,876.38

Finding the Fourth Proportional to 129,982.38, 194,973.57 and 46,876.38

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Solution

The fourth proportional to 129,982.38, 194,973.57 and 46,876.38 is: 70,314.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,982.38 : 194,973.57 = 46,876.38 : x
  2. Step 2: Convert to fraction form
    129,982.38/194,973.57 = 46,876.38/x
  3. Step 3: Cross multiply
    129,982.38x = 194,973.57 × 46,876.38
  4. Step 4: Simplify right side
    129,982.38x = 9,139,655,157.28
  5. Step 5: Solve for x
    x = 9,139,655,157.28/129,982.38
  6. Step 6: Final answer
    x = 70,314.57

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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.