Home / 173,133.72-238,930.74-100,531.17

Finding the Fourth Proportional to 173,133.72, 238,930.74 and 100,531.17

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Solution

The fourth proportional to 173,133.72, 238,930.74 and 100,531.17 is: 138,736.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,133.72 : 238,930.74 = 100,531.17 : x
  2. Step 2: Convert to fraction form
    173,133.72/238,930.74 = 100,531.17/x
  3. Step 3: Cross multiply
    173,133.72x = 238,930.74 × 100,531.17
  4. Step 4: Simplify right side
    173,133.72x = 24,019,986,841.17
  5. Step 5: Solve for x
    x = 24,019,986,841.17/173,133.72
  6. Step 6: Final answer
    x = 138,736.62

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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.