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Finding the Fourth Proportional to 164,033.20, 245,704.20 and 136,385.20

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Solution

The fourth proportional to 164,033.20, 245,704.20 and 136,385.20 is: 204,290.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,033.20 : 245,704.20 = 136,385.20 : x
  2. Step 2: Convert to fraction form
    164,033.20/245,704.20 = 136,385.20/x
  3. Step 3: Cross multiply
    164,033.20x = 245,704.20 × 136,385.20
  4. Step 4: Simplify right side
    164,033.20x = 33,510,416,457.84
  5. Step 5: Solve for x
    x = 33,510,416,457.84/164,033.20
  6. Step 6: Final answer
    x = 204,290.45

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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.