Home / 164,712.16-227,302.76-89,260.68

Finding the Fourth Proportional to 164,712.16, 227,302.76 and 89,260.68

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Solution

The fourth proportional to 164,712.16, 227,302.76 and 89,260.68 is: 123,179.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,712.16 : 227,302.76 = 89,260.68 : x
  2. Step 2: Convert to fraction form
    164,712.16/227,302.76 = 89,260.68/x
  3. Step 3: Cross multiply
    164,712.16x = 227,302.76 × 89,260.68
  4. Step 4: Simplify right side
    164,712.16x = 20,289,198,923.48
  5. Step 5: Solve for x
    x = 20,289,198,923.48/164,712.16
  6. Step 6: Final answer
    x = 123,179.73

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1.5x scale

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.