Home / 213,139.38-294,026.19-148,743.66

Finding the Fourth Proportional to 213,139.38, 294,026.19 and 148,743.66

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Solution

The fourth proportional to 213,139.38, 294,026.19 and 148,743.66 is: 205,192.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,139.38 : 294,026.19 = 148,743.66 : x
  2. Step 2: Convert to fraction form
    213,139.38/294,026.19 = 148,743.66/x
  3. Step 3: Cross multiply
    213,139.38x = 294,026.19 × 148,743.66
  4. Step 4: Simplify right side
    213,139.38x = 43,734,531,636.46
  5. Step 5: Solve for x
    x = 43,734,531,636.46/213,139.38
  6. Step 6: Final answer
    x = 205,192.17

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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.