Home / 132,963.98-183,473.82-81,307.04

Finding the Fourth Proportional to 132,963.98, 183,473.82 and 81,307.04

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Solution

The fourth proportional to 132,963.98, 183,473.82 and 81,307.04 is: 112,193.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,963.98 : 183,473.82 = 81,307.04 : x
  2. Step 2: Convert to fraction form
    132,963.98/183,473.82 = 81,307.04/x
  3. Step 3: Cross multiply
    132,963.98x = 183,473.82 × 81,307.04
  4. Step 4: Simplify right side
    132,963.98x = 14,917,713,221.69
  5. Step 5: Solve for x
    x = 14,917,713,221.69/132,963.98
  6. Step 6: Final answer
    x = 112,193.64

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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.