Home / 67,165.40-100,814.12-51,222.17

Finding the Fourth Proportional to 67,165.40, 100,814.12 and 51,222.17

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Solution

The fourth proportional to 67,165.40, 100,814.12 and 51,222.17 is: 76,883.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,165.40 : 100,814.12 = 51,222.17 : x
  2. Step 2: Convert to fraction form
    67,165.40/100,814.12 = 51,222.17/x
  3. Step 3: Cross multiply
    67,165.40x = 100,814.12 × 51,222.17
  4. Step 4: Simplify right side
    67,165.40x = 5,163,917,993.04
  5. Step 5: Solve for x
    x = 5,163,917,993.04/67,165.40
  6. Step 6: Final answer
    x = 76,883.60

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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.