Home / 164,739.66-227,340.72-89,288.16

Finding the Fourth Proportional to 164,739.66, 227,340.72 and 89,288.16

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Solution

The fourth proportional to 164,739.66, 227,340.72 and 89,288.16 is: 123,217.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,739.66 : 227,340.72 = 89,288.16 : x
  2. Step 2: Convert to fraction form
    164,739.66/227,340.72 = 89,288.16/x
  3. Step 3: Cross multiply
    164,739.66x = 227,340.72 × 89,288.16
  4. Step 4: Simplify right side
    164,739.66x = 20,298,834,581.88
  5. Step 5: Solve for x
    x = 20,298,834,581.88/164,739.66
  6. Step 6: Final answer
    x = 123,217.65

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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.