Home / 134,819.20-202,228.80-92,828.80

Finding the Fourth Proportional to 134,819.20, 202,228.80 and 92,828.80

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Solution

The fourth proportional to 134,819.20, 202,228.80 and 92,828.80 is: 139,243.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,819.20 : 202,228.80 = 92,828.80 : x
  2. Step 2: Convert to fraction form
    134,819.20/202,228.80 = 92,828.80/x
  3. Step 3: Cross multiply
    134,819.20x = 202,228.80 × 92,828.80
  4. Step 4: Simplify right side
    134,819.20x = 18,772,656,829.44
  5. Step 5: Solve for x
    x = 18,772,656,829.44/134,819.20
  6. Step 6: Final answer
    x = 139,243.20

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1.5x scale

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.