Home / 84,153.06-126,230.40-21,823.56

Finding the Fourth Proportional to 84,153.06, 126,230.40 and 21,823.56

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Solution

The fourth proportional to 84,153.06, 126,230.40 and 21,823.56 is: 32,735.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,153.06 : 126,230.40 = 21,823.56 : x
  2. Step 2: Convert to fraction form
    84,153.06/126,230.40 = 21,823.56/x
  3. Step 3: Cross multiply
    84,153.06x = 126,230.40 × 21,823.56
  4. Step 4: Simplify right side
    84,153.06x = 2,754,796,708.22
  5. Step 5: Solve for x
    x = 2,754,796,708.22/84,153.06
  6. Step 6: Final answer
    x = 32,735.55

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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.