Home / 164,861.20-227,508.72-89,409.76

Finding the Fourth Proportional to 164,861.20, 227,508.72 and 89,409.76

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Solution

The fourth proportional to 164,861.20, 227,508.72 and 89,409.76 is: 123,385.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,861.20 : 227,508.72 = 89,409.76 : x
  2. Step 2: Convert to fraction form
    164,861.20/227,508.72 = 89,409.76/x
  3. Step 3: Cross multiply
    164,861.20x = 227,508.72 × 89,409.76
  4. Step 4: Simplify right side
    164,861.20x = 20,341,500,053.11
  5. Step 5: Solve for x
    x = 20,341,500,053.11/164,861.20
  6. Step 6: Final answer
    x = 123,385.61

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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.