Home / 144,965.94-200,053.71-81,307.14

Finding the Fourth Proportional to 144,965.94, 200,053.71 and 81,307.14

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Solution

The fourth proportional to 144,965.94, 200,053.71 and 81,307.14 is: 112,204.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,965.94 : 200,053.71 = 81,307.14 : x
  2. Step 2: Convert to fraction form
    144,965.94/200,053.71 = 81,307.14/x
  3. Step 3: Cross multiply
    144,965.94x = 200,053.71 × 81,307.14
  4. Step 4: Simplify right side
    144,965.94x = 16,265,795,006.49
  5. Step 5: Solve for x
    x = 16,265,795,006.49/144,965.94
  6. Step 6: Final answer
    x = 112,204.25

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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.