Home / 250,072.31-345,099.79-136,895.06

Finding the Fourth Proportional to 250,072.31, 345,099.79 and 136,895.06

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Solution

The fourth proportional to 250,072.31, 345,099.79 and 136,895.06 is: 188,915.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,072.31 : 345,099.79 = 136,895.06 : x
  2. Step 2: Convert to fraction form
    250,072.31/345,099.79 = 136,895.06/x
  3. Step 3: Cross multiply
    250,072.31x = 345,099.79 × 136,895.06
  4. Step 4: Simplify right side
    250,072.31x = 47,242,457,491.91
  5. Step 5: Solve for x
    x = 47,242,457,491.91/250,072.31
  6. Step 6: Final answer
    x = 188,915.19

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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.