Home / 144,966.92-200,064.33-81,308.81

Finding the Fourth Proportional to 144,966.92, 200,064.33 and 81,308.81

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Solution

The fourth proportional to 144,966.92, 200,064.33 and 81,308.81 is: 112,211.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,966.92 : 200,064.33 = 81,308.81 : x
  2. Step 2: Convert to fraction form
    144,966.92/200,064.33 = 81,308.81/x
  3. Step 3: Cross multiply
    144,966.92x = 200,064.33 × 81,308.81
  4. Step 4: Simplify right side
    144,966.92x = 16,266,993,095.91
  5. Step 5: Solve for x
    x = 16,266,993,095.91/144,966.92
  6. Step 6: Final answer
    x = 112,211.76

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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.