Home / 143,309.02-214,965.64-54,567.44

Finding the Fourth Proportional to 143,309.02, 214,965.64 and 54,567.44

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Solution

The fourth proportional to 143,309.02, 214,965.64 and 54,567.44 is: 81,851.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,309.02 : 214,965.64 = 54,567.44 : x
  2. Step 2: Convert to fraction form
    143,309.02/214,965.64 = 54,567.44/x
  3. Step 3: Cross multiply
    143,309.02x = 214,965.64 × 54,567.44
  4. Step 4: Simplify right side
    143,309.02x = 11,730,124,662.76
  5. Step 5: Solve for x
    x = 11,730,124,662.76/143,309.02
  6. Step 6: Final answer
    x = 81,851.96

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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.