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Finding the Fourth Proportional to 134,706.60, 202,040.70 and 45,964.20

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Solution

The fourth proportional to 134,706.60, 202,040.70 and 45,964.20 is: 68,939.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,706.60 : 202,040.70 = 45,964.20 : x
  2. Step 2: Convert to fraction form
    134,706.60/202,040.70 = 45,964.20/x
  3. Step 3: Cross multiply
    134,706.60x = 202,040.70 × 45,964.20
  4. Step 4: Simplify right side
    134,706.60x = 9,286,639,142.94
  5. Step 5: Solve for x
    x = 9,286,639,142.94/134,706.60
  6. Step 6: Final answer
    x = 68,939.75

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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.