Home / 143,260.32-214,989.20-49,766.07

Finding the Fourth Proportional to 143,260.32, 214,989.20 and 49,766.07

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Solution

The fourth proportional to 143,260.32, 214,989.20 and 49,766.07 is: 74,683.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,260.32 : 214,989.20 = 49,766.07 : x
  2. Step 2: Convert to fraction form
    143,260.32/214,989.20 = 49,766.07/x
  3. Step 3: Cross multiply
    143,260.32x = 214,989.20 × 49,766.07
  4. Step 4: Simplify right side
    143,260.32x = 10,699,167,327.61
  5. Step 5: Solve for x
    x = 10,699,167,327.61/143,260.32
  6. Step 6: Final answer
    x = 74,683.40

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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.