Home / 119,501.11-164,910.90-65,784.75

Finding the Fourth Proportional to 119,501.11, 164,910.90 and 65,784.75

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Solution

The fourth proportional to 119,501.11, 164,910.90 and 65,784.75 is: 90,782.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,501.11 : 164,910.90 = 65,784.75 : x
  2. Step 2: Convert to fraction form
    119,501.11/164,910.90 = 65,784.75/x
  3. Step 3: Cross multiply
    119,501.11x = 164,910.90 × 65,784.75
  4. Step 4: Simplify right side
    119,501.11x = 10,848,622,328.78
  5. Step 5: Solve for x
    x = 10,848,622,328.78/119,501.11
  6. Step 6: Final answer
    x = 90,782.61

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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.