Home / 119,520.37-164,935.76-65,806.28

Finding the Fourth Proportional to 119,520.37, 164,935.76 and 65,806.28

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Solution

The fourth proportional to 119,520.37, 164,935.76 and 65,806.28 is: 90,811.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,520.37 : 164,935.76 = 65,806.28 : x
  2. Step 2: Convert to fraction form
    119,520.37/164,935.76 = 65,806.28/x
  3. Step 3: Cross multiply
    119,520.37x = 164,935.76 × 65,806.28
  4. Step 4: Simplify right side
    119,520.37x = 10,853,808,804.57
  5. Step 5: Solve for x
    x = 10,853,808,804.57/119,520.37
  6. Step 6: Final answer
    x = 90,811.37

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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.