Home / 144,960.66-200,053.98-81,293.40

Finding the Fourth Proportional to 144,960.66, 200,053.98 and 81,293.40

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Solution

The fourth proportional to 144,960.66, 200,053.98 and 81,293.40 is: 112,189.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,960.66 : 200,053.98 = 81,293.40 : x
  2. Step 2: Convert to fraction form
    144,960.66/200,053.98 = 81,293.40/x
  3. Step 3: Cross multiply
    144,960.66x = 200,053.98 × 81,293.40
  4. Step 4: Simplify right side
    144,960.66x = 16,263,068,217.73
  5. Step 5: Solve for x
    x = 16,263,068,217.73/144,960.66
  6. Step 6: Final answer
    x = 112,189.53

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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.