Home / 119,375.56-164,738.36-65,664.66

Finding the Fourth Proportional to 119,375.56, 164,738.36 and 65,664.66

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Solution

The fourth proportional to 119,375.56, 164,738.36 and 65,664.66 is: 90,617.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,375.56 : 164,738.36 = 65,664.66 : x
  2. Step 2: Convert to fraction form
    119,375.56/164,738.36 = 65,664.66/x
  3. Step 3: Cross multiply
    119,375.56x = 164,738.36 × 65,664.66
  4. Step 4: Simplify right side
    119,375.56x = 10,817,488,398.36
  5. Step 5: Solve for x
    x = 10,817,488,398.36/119,375.56
  6. Step 6: Final answer
    x = 90,617.28

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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.