Home / 201,498.20-301,988.10-122,528.60

Finding the Fourth Proportional to 201,498.20, 301,988.10 and 122,528.60

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Solution

The fourth proportional to 201,498.20, 301,988.10 and 122,528.60 is: 183,635.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,498.20 : 301,988.10 = 122,528.60 : x
  2. Step 2: Convert to fraction form
    201,498.20/301,988.10 = 122,528.60/x
  3. Step 3: Cross multiply
    201,498.20x = 301,988.10 × 122,528.60
  4. Step 4: Simplify right side
    201,498.20x = 37,002,179,109.66
  5. Step 5: Solve for x
    x = 37,002,179,109.66/201,498.20
  6. Step 6: Final answer
    x = 183,635.28

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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.