Home / 143,261.32-214,990.70-49,767.07

Finding the Fourth Proportional to 143,261.32, 214,990.70 and 49,767.07

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Solution

The fourth proportional to 143,261.32, 214,990.70 and 49,767.07 is: 74,684.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,261.32 : 214,990.70 = 49,767.07 : x
  2. Step 2: Convert to fraction form
    143,261.32/214,990.70 = 49,767.07/x
  3. Step 3: Cross multiply
    143,261.32x = 214,990.70 × 49,767.07
  4. Step 4: Simplify right side
    143,261.32x = 10,699,457,216.25
  5. Step 5: Solve for x
    x = 10,699,457,216.25/143,261.32
  6. Step 6: Final answer
    x = 74,684.90

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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.