Home / 177,269.76-265,826.70-66,384

Finding the Fourth Proportional to 177,269.76, 265,826.70 and 66,384

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Solution

The fourth proportional to 177,269.76, 265,826.70 and 66,384 is: 99,546.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,269.76 : 265,826.70 = 66,384 : x
  2. Step 2: Convert to fraction form
    177,269.76/265,826.70 = 66,384/x
  3. Step 3: Cross multiply
    177,269.76x = 265,826.70 × 66,384
  4. Step 4: Simplify right side
    177,269.76x = 17,646,639,652.80
  5. Step 5: Solve for x
    x = 17,646,639,652.80/177,269.76
  6. Step 6: Final answer
    x = 99,546.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.