Home / 143,336.12-214,999.29-36,721.04

Finding the Fourth Proportional to 143,336.12, 214,999.29 and 36,721.04

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Solution

The fourth proportional to 143,336.12, 214,999.29 and 36,721.04 is: 55,080.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,336.12 : 214,999.29 = 36,721.04 : x
  2. Step 2: Convert to fraction form
    143,336.12/214,999.29 = 36,721.04/x
  3. Step 3: Cross multiply
    143,336.12x = 214,999.29 × 36,721.04
  4. Step 4: Simplify right side
    143,336.12x = 7,894,996,453.07
  5. Step 5: Solve for x
    x = 7,894,996,453.07/143,336.12
  6. Step 6: Final answer
    x = 55,080.30

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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.