Home / 141,620.28-195,438.48-77,091.37

Finding the Fourth Proportional to 141,620.28, 195,438.48 and 77,091.37

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Solution

The fourth proportional to 141,620.28, 195,438.48 and 77,091.37 is: 106,387.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,620.28 : 195,438.48 = 77,091.37 : x
  2. Step 2: Convert to fraction form
    141,620.28/195,438.48 = 77,091.37/x
  3. Step 3: Cross multiply
    141,620.28x = 195,438.48 × 77,091.37
  4. Step 4: Simplify right side
    141,620.28x = 15,066,619,671.06
  5. Step 5: Solve for x
    x = 15,066,619,671.06/141,620.28
  6. Step 6: Final answer
    x = 106,387.45

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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.