Home / 121,764.00-182,649.13-57,707.18

Finding the Fourth Proportional to 121,764.00, 182,649.13 and 57,707.18

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Solution

The fourth proportional to 121,764.00, 182,649.13 and 57,707.18 is: 86,562.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,764.00 : 182,649.13 = 57,707.18 : x
  2. Step 2: Convert to fraction form
    121,764.00/182,649.13 = 57,707.18/x
  3. Step 3: Cross multiply
    121,764.00x = 182,649.13 × 57,707.18
  4. Step 4: Simplify right side
    121,764.00x = 10,540,166,876.58
  5. Step 5: Solve for x
    x = 10,540,166,876.58/121,764.00
  6. Step 6: Final answer
    x = 86,562.26

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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.