Home / 156,199.62-215,556.48-84,580.24

Finding the Fourth Proportional to 156,199.62, 215,556.48 and 84,580.24

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Solution

The fourth proportional to 156,199.62, 215,556.48 and 84,580.24 is: 116,721.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,199.62 : 215,556.48 = 84,580.24 : x
  2. Step 2: Convert to fraction form
    156,199.62/215,556.48 = 84,580.24/x
  3. Step 3: Cross multiply
    156,199.62x = 215,556.48 × 84,580.24
  4. Step 4: Simplify right side
    156,199.62x = 18,231,818,811.96
  5. Step 5: Solve for x
    x = 18,231,818,811.96/156,199.62
  6. Step 6: Final answer
    x = 116,721.28

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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.