Home / 164,867.20-227,517-89,415.76

Finding the Fourth Proportional to 164,867.20, 227,517 and 89,415.76

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Solution

The fourth proportional to 164,867.20, 227,517 and 89,415.76 is: 123,393.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,867.20 : 227,517 = 89,415.76 : x
  2. Step 2: Convert to fraction form
    164,867.20/227,517 = 89,415.76/x
  3. Step 3: Cross multiply
    164,867.20x = 227,517 × 89,415.76
  4. Step 4: Simplify right side
    164,867.20x = 20,343,605,467.92
  5. Step 5: Solve for x
    x = 20,343,605,467.92/164,867.20
  6. Step 6: Final answer
    x = 123,393.89

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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.