Home / 143,312.36-214,999.46-43,480.59

Finding the Fourth Proportional to 143,312.36, 214,999.46 and 43,480.59

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Solution

The fourth proportional to 143,312.36, 214,999.46 and 43,480.59 is: 65,230.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,312.36 : 214,999.46 = 43,480.59 : x
  2. Step 2: Convert to fraction form
    143,312.36/214,999.46 = 43,480.59/x
  3. Step 3: Cross multiply
    143,312.36x = 214,999.46 × 43,480.59
  4. Step 4: Simplify right side
    143,312.36x = 9,348,303,153.08
  5. Step 5: Solve for x
    x = 9,348,303,153.08/143,312.36
  6. Step 6: Final answer
    x = 65,230.26

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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.