Home / 84,183.49-126,238.04-31,556.06

Finding the Fourth Proportional to 84,183.49, 126,238.04 and 31,556.06

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Solution

The fourth proportional to 84,183.49, 126,238.04 and 31,556.06 is: 47,320.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,183.49 : 126,238.04 = 31,556.06 : x
  2. Step 2: Convert to fraction form
    84,183.49/126,238.04 = 31,556.06/x
  3. Step 3: Cross multiply
    84,183.49x = 126,238.04 × 31,556.06
  4. Step 4: Simplify right side
    84,183.49x = 3,983,575,164.52
  5. Step 5: Solve for x
    x = 3,983,575,164.52/84,183.49
  6. Step 6: Final answer
    x = 47,320.15

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1.5x scale

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.