Home / 147,006.36-202,863.96-82,471.68

Finding the Fourth Proportional to 147,006.36, 202,863.96 and 82,471.68

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Solution

The fourth proportional to 147,006.36, 202,863.96 and 82,471.68 is: 113,808.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,006.36 : 202,863.96 = 82,471.68 : x
  2. Step 2: Convert to fraction form
    147,006.36/202,863.96 = 82,471.68/x
  3. Step 3: Cross multiply
    147,006.36x = 202,863.96 × 82,471.68
  4. Step 4: Simplify right side
    147,006.36x = 16,730,531,592.65
  5. Step 5: Solve for x
    x = 16,730,531,592.65/147,006.36
  6. Step 6: Final answer
    x = 113,808.22

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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.