Home / 146,543.76-202,234.65-82,880.19

Finding the Fourth Proportional to 146,543.76, 202,234.65 and 82,880.19

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Solution

The fourth proportional to 146,543.76, 202,234.65 and 82,880.19 is: 114,377.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,543.76 : 202,234.65 = 82,880.19 : x
  2. Step 2: Convert to fraction form
    146,543.76/202,234.65 = 82,880.19/x
  3. Step 3: Cross multiply
    146,543.76x = 202,234.65 × 82,880.19
  4. Step 4: Simplify right side
    146,543.76x = 16,761,246,216.58
  5. Step 5: Solve for x
    x = 16,761,246,216.58/146,543.76
  6. Step 6: Final answer
    x = 114,377.07

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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.