Home / 172,691.21-238,248.36-104,683.38

Finding the Fourth Proportional to 172,691.21, 238,248.36 and 104,683.38

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Solution

The fourth proportional to 172,691.21, 238,248.36 and 104,683.38 is: 144,423.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,691.21 : 238,248.36 = 104,683.38 : x
  2. Step 2: Convert to fraction form
    172,691.21/238,248.36 = 104,683.38/x
  3. Step 3: Cross multiply
    172,691.21x = 238,248.36 × 104,683.38
  4. Step 4: Simplify right side
    172,691.21x = 24,940,643,604.26
  5. Step 5: Solve for x
    x = 24,940,643,604.26/172,691.21
  6. Step 6: Final answer
    x = 144,423.36

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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.