Home / 245,528.38-338,827.84-138,096.10

Finding the Fourth Proportional to 245,528.38, 338,827.84 and 138,096.10

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Solution

The fourth proportional to 245,528.38, 338,827.84 and 138,096.10 is: 190,571.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,528.38 : 338,827.84 = 138,096.10 : x
  2. Step 2: Convert to fraction form
    245,528.38/338,827.84 = 138,096.10/x
  3. Step 3: Cross multiply
    245,528.38x = 338,827.84 × 138,096.10
  4. Step 4: Simplify right side
    245,528.38x = 46,790,802,083.11
  5. Step 5: Solve for x
    x = 46,790,802,083.11/245,528.38
  6. Step 6: Final answer
    x = 190,571.87

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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.