Home / 97,857.20-146,785.80-35,519.60

Finding the Fourth Proportional to 97,857.20, 146,785.80 and 35,519.60

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Solution

The fourth proportional to 97,857.20, 146,785.80 and 35,519.60 is: 53,279.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,857.20 : 146,785.80 = 35,519.60 : x
  2. Step 2: Convert to fraction form
    97,857.20/146,785.80 = 35,519.60/x
  3. Step 3: Cross multiply
    97,857.20x = 146,785.80 × 35,519.60
  4. Step 4: Simplify right side
    97,857.20x = 5,213,772,901.68
  5. Step 5: Solve for x
    x = 5,213,772,901.68/97,857.20
  6. Step 6: Final answer
    x = 53,279.40

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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.