Home / 119,190.06-164,464.29-76,805.46

Finding the Fourth Proportional to 119,190.06, 164,464.29 and 76,805.46

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Solution

The fourth proportional to 119,190.06, 164,464.29 and 76,805.46 is: 105,979.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,190.06 : 164,464.29 = 76,805.46 : x
  2. Step 2: Convert to fraction form
    119,190.06/164,464.29 = 76,805.46/x
  3. Step 3: Cross multiply
    119,190.06x = 164,464.29 × 76,805.46
  4. Step 4: Simplify right side
    119,190.06x = 12,631,755,447.02
  5. Step 5: Solve for x
    x = 12,631,755,447.02/119,190.06
  6. Step 6: Final answer
    x = 105,979.94

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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.