Home / 117,243.10-175,902.32-38,339.38

Finding the Fourth Proportional to 117,243.10, 175,902.32 and 38,339.38

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Solution

The fourth proportional to 117,243.10, 175,902.32 and 38,339.38 is: 57,521.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,243.10 : 175,902.32 = 38,339.38 : x
  2. Step 2: Convert to fraction form
    117,243.10/175,902.32 = 38,339.38/x
  3. Step 3: Cross multiply
    117,243.10x = 175,902.32 × 38,339.38
  4. Step 4: Simplify right side
    117,243.10x = 6,743,985,889.36
  5. Step 5: Solve for x
    x = 6,743,985,889.36/117,243.10
  6. Step 6: Final answer
    x = 57,521.39

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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.