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Finding the Fourth Proportional to 143,246.80, 214,870.80 and 48,477.73

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Solution

The fourth proportional to 143,246.80, 214,870.80 and 48,477.73 is: 72,716.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,246.80 : 214,870.80 = 48,477.73 : x
  2. Step 2: Convert to fraction form
    143,246.80/214,870.80 = 48,477.73/x
  3. Step 3: Cross multiply
    143,246.80x = 214,870.80 × 48,477.73
  4. Step 4: Simplify right side
    143,246.80x = 10,416,448,627.28
  5. Step 5: Solve for x
    x = 10,416,448,627.28/143,246.80
  6. Step 6: Final answer
    x = 72,716.80

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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.