Home / 132,941.88-183,456.45-72,513.90

Finding the Fourth Proportional to 132,941.88, 183,456.45 and 72,513.90

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Solution

The fourth proportional to 132,941.88, 183,456.45 and 72,513.90 is: 100,067.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,941.88 : 183,456.45 = 72,513.90 : x
  2. Step 2: Convert to fraction form
    132,941.88/183,456.45 = 72,513.90/x
  3. Step 3: Cross multiply
    132,941.88x = 183,456.45 × 72,513.90
  4. Step 4: Simplify right side
    132,941.88x = 13,303,142,669.66
  5. Step 5: Solve for x
    x = 13,303,142,669.66/132,941.88
  6. Step 6: Final answer
    x = 100,067.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.