Home / 131,746.40-197,619.60-43,002.80

Finding the Fourth Proportional to 131,746.40, 197,619.60 and 43,002.80

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Solution

The fourth proportional to 131,746.40, 197,619.60 and 43,002.80 is: 64,504.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,746.40 : 197,619.60 = 43,002.80 : x
  2. Step 2: Convert to fraction form
    131,746.40/197,619.60 = 43,002.80/x
  3. Step 3: Cross multiply
    131,746.40x = 197,619.60 × 43,002.80
  4. Step 4: Simplify right side
    131,746.40x = 8,498,196,134.88
  5. Step 5: Solve for x
    x = 8,498,196,134.88/131,746.40
  6. Step 6: Final answer
    x = 64,504.20

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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.