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Finding the Fourth Proportional to 164,555.40, 246,760.20 and 75,836.10

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Solution

The fourth proportional to 164,555.40, 246,760.20 and 75,836.10 is: 113,720.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,555.40 : 246,760.20 = 75,836.10 : x
  2. Step 2: Convert to fraction form
    164,555.40/246,760.20 = 75,836.10/x
  3. Step 3: Cross multiply
    164,555.40x = 246,760.20 × 75,836.10
  4. Step 4: Simplify right side
    164,555.40x = 18,713,331,203.22
  5. Step 5: Solve for x
    x = 18,713,331,203.22/164,555.40
  6. Step 6: Final answer
    x = 113,720.55

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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.