Home / 141,982.37-195,939.36-77,452.71

Finding the Fourth Proportional to 141,982.37, 195,939.36 and 77,452.71

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Solution

The fourth proportional to 141,982.37, 195,939.36 and 77,452.71 is: 106,886.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,982.37 : 195,939.36 = 77,452.71 : x
  2. Step 2: Convert to fraction form
    141,982.37/195,939.36 = 77,452.71/x
  3. Step 3: Cross multiply
    141,982.37x = 195,939.36 × 77,452.71
  4. Step 4: Simplify right side
    141,982.37x = 15,176,034,427.67
  5. Step 5: Solve for x
    x = 15,176,034,427.67/141,982.37
  6. Step 6: Final answer
    x = 106,886.76

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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.