Home / 84,273.35-126,410.63-21,094.56

Finding the Fourth Proportional to 84,273.35, 126,410.63 and 21,094.56

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Solution

The fourth proportional to 84,273.35, 126,410.63 and 21,094.56 is: 31,641.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,273.35 : 126,410.63 = 21,094.56 : x
  2. Step 2: Convert to fraction form
    84,273.35/126,410.63 = 21,094.56/x
  3. Step 3: Cross multiply
    84,273.35x = 126,410.63 × 21,094.56
  4. Step 4: Simplify right side
    84,273.35x = 2,666,576,513.70
  5. Step 5: Solve for x
    x = 2,666,576,513.70/84,273.35
  6. Step 6: Final answer
    x = 31,641.99

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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.