Home / 213,726.58-320,654.06-63,971.76

Finding the Fourth Proportional to 213,726.58, 320,654.06 and 63,971.76

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Solution

The fourth proportional to 213,726.58, 320,654.06 and 63,971.76 is: 95,976.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,726.58 : 320,654.06 = 63,971.76 : x
  2. Step 2: Convert to fraction form
    213,726.58/320,654.06 = 63,971.76/x
  3. Step 3: Cross multiply
    213,726.58x = 320,654.06 × 63,971.76
  4. Step 4: Simplify right side
    213,726.58x = 20,512,804,569.35
  5. Step 5: Solve for x
    x = 20,512,804,569.35/213,726.58
  6. Step 6: Final answer
    x = 95,976.85

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1.5x scale

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.