Home / 641,054.66-961,555.25-167,729.54

Finding the Fourth Proportional to 641,054.66, 961,555.25 and 167,729.54

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Solution

The fourth proportional to 641,054.66, 961,555.25 and 167,729.54 is: 251,587.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,054.66 : 961,555.25 = 167,729.54 : x
  2. Step 2: Convert to fraction form
    641,054.66/961,555.25 = 167,729.54/x
  3. Step 3: Cross multiply
    641,054.66x = 961,555.25 × 167,729.54
  4. Step 4: Simplify right side
    641,054.66x = 161,281,215,378.63
  5. Step 5: Solve for x
    x = 161,281,215,378.63/641,054.66
  6. Step 6: Final answer
    x = 251,587.31

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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.