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Finding the Fourth Proportional to 68,167.40, 102,180.02 and 40,064.45

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Solution

The fourth proportional to 68,167.40, 102,180.02 and 40,064.45 is: 60,054.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,167.40 : 102,180.02 = 40,064.45 : x
  2. Step 2: Convert to fraction form
    68,167.40/102,180.02 = 40,064.45/x
  3. Step 3: Cross multiply
    68,167.40x = 102,180.02 × 40,064.45
  4. Step 4: Simplify right side
    68,167.40x = 4,093,785,591.07
  5. Step 5: Solve for x
    x = 4,093,785,591.07/68,167.40
  6. Step 6: Final answer
    x = 60,054.89

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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.