Home / 132,399.69-182,713.34-71,971.26

Finding the Fourth Proportional to 132,399.69, 182,713.34 and 71,971.26

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Solution

The fourth proportional to 132,399.69, 182,713.34 and 71,971.26 is: 99,321.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,399.69 : 182,713.34 = 71,971.26 : x
  2. Step 2: Convert to fraction form
    132,399.69/182,713.34 = 71,971.26/x
  3. Step 3: Cross multiply
    132,399.69x = 182,713.34 × 71,971.26
  4. Step 4: Simplify right side
    132,399.69x = 13,150,108,938.75
  5. Step 5: Solve for x
    x = 13,150,108,938.75/132,399.69
  6. Step 6: Final answer
    x = 99,321.30

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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.