Home / 238,042.10-328,508.36-142,530.54

Finding the Fourth Proportional to 238,042.10, 328,508.36 and 142,530.54

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Solution

The fourth proportional to 238,042.10, 328,508.36 and 142,530.54 is: 196,698.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,042.10 : 328,508.36 = 142,530.54 : x
  2. Step 2: Convert to fraction form
    238,042.10/328,508.36 = 142,530.54/x
  3. Step 3: Cross multiply
    238,042.10x = 328,508.36 × 142,530.54
  4. Step 4: Simplify right side
    238,042.10x = 46,822,473,945.31
  5. Step 5: Solve for x
    x = 46,822,473,945.31/238,042.10
  6. Step 6: Final answer
    x = 196,698.29

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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.