Home / 134,819.40-202,131.90-75,673.20

Finding the Fourth Proportional to 134,819.40, 202,131.90 and 75,673.20

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Solution

The fourth proportional to 134,819.40, 202,131.90 and 75,673.20 is: 113,455.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,819.40 : 202,131.90 = 75,673.20 : x
  2. Step 2: Convert to fraction form
    134,819.40/202,131.90 = 75,673.20/x
  3. Step 3: Cross multiply
    134,819.40x = 202,131.90 × 75,673.20
  4. Step 4: Simplify right side
    134,819.40x = 15,295,967,695.08
  5. Step 5: Solve for x
    x = 15,295,967,695.08/134,819.40
  6. Step 6: Final answer
    x = 113,455.24

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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.