Home / 143,312.24-214,999.28-43,480.47

Finding the Fourth Proportional to 143,312.24, 214,999.28 and 43,480.47

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Solution

The fourth proportional to 143,312.24, 214,999.28 and 43,480.47 is: 65,230.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,312.24 : 214,999.28 = 43,480.47 : x
  2. Step 2: Convert to fraction form
    143,312.24/214,999.28 = 43,480.47/x
  3. Step 3: Cross multiply
    143,312.24x = 214,999.28 × 43,480.47
  4. Step 4: Simplify right side
    143,312.24x = 9,348,269,526.66
  5. Step 5: Solve for x
    x = 9,348,269,526.66/143,312.24
  6. Step 6: Final answer
    x = 65,230.09

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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.