Home / 144,974.21-217,466.78-45,143.12

Finding the Fourth Proportional to 144,974.21, 217,466.78 and 45,143.12

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Solution

The fourth proportional to 144,974.21, 217,466.78 and 45,143.12 is: 67,716.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,974.21 : 217,466.78 = 45,143.12 : x
  2. Step 2: Convert to fraction form
    144,974.21/217,466.78 = 45,143.12/x
  3. Step 3: Cross multiply
    144,974.21x = 217,466.78 × 45,143.12
  4. Step 4: Simplify right side
    144,974.21x = 9,817,129,263.50
  5. Step 5: Solve for x
    x = 9,817,129,263.50/144,974.21
  6. Step 6: Final answer
    x = 67,716.39

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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.