Home / 156,063.74-215,367.27-84,445.03

Finding the Fourth Proportional to 156,063.74, 215,367.27 and 84,445.03

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Solution

The fourth proportional to 156,063.74, 215,367.27 and 84,445.03 is: 116,533.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,063.74 : 215,367.27 = 84,445.03 : x
  2. Step 2: Convert to fraction form
    156,063.74/215,367.27 = 84,445.03/x
  3. Step 3: Cross multiply
    156,063.74x = 215,367.27 × 84,445.03
  4. Step 4: Simplify right side
    156,063.74x = 18,186,694,499.33
  5. Step 5: Solve for x
    x = 18,186,694,499.33/156,063.74
  6. Step 6: Final answer
    x = 116,533.76

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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.