Home / 143,210.63-214,914.56-49,716.38

Finding the Fourth Proportional to 143,210.63, 214,914.56 and 49,716.38

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Solution

The fourth proportional to 143,210.63, 214,914.56 and 49,716.38 is: 74,608.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,210.63 : 214,914.56 = 49,716.38 : x
  2. Step 2: Convert to fraction form
    143,210.63/214,914.56 = 49,716.38/x
  3. Step 3: Cross multiply
    143,210.63x = 214,914.56 × 49,716.38
  4. Step 4: Simplify right side
    143,210.63x = 10,684,772,609.34
  5. Step 5: Solve for x
    x = 10,684,772,609.34/143,210.63
  6. Step 6: Final answer
    x = 74,608.80

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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.