Home / 137,905.12-206,869.56-38,065.33

Finding the Fourth Proportional to 137,905.12, 206,869.56 and 38,065.33

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Solution

The fourth proportional to 137,905.12, 206,869.56 and 38,065.33 is: 57,101.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,905.12 : 206,869.56 = 38,065.33 : x
  2. Step 2: Convert to fraction form
    137,905.12/206,869.56 = 38,065.33/x
  3. Step 3: Cross multiply
    137,905.12x = 206,869.56 × 38,065.33
  4. Step 4: Simplify right side
    137,905.12x = 7,874,558,068.35
  5. Step 5: Solve for x
    x = 7,874,558,068.35/137,905.12
  6. Step 6: Final answer
    x = 57,101.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.