Home / 132,288.35-182,561.21-71,858.97

Finding the Fourth Proportional to 132,288.35, 182,561.21 and 71,858.97

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Solution

The fourth proportional to 132,288.35, 182,561.21 and 71,858.97 is: 99,167.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,288.35 : 182,561.21 = 71,858.97 : x
  2. Step 2: Convert to fraction form
    132,288.35/182,561.21 = 71,858.97/x
  3. Step 3: Cross multiply
    132,288.35x = 182,561.21 × 71,858.97
  4. Step 4: Simplify right side
    132,288.35x = 13,118,660,153.26
  5. Step 5: Solve for x
    x = 13,118,660,153.26/132,288.35
  6. Step 6: Final answer
    x = 99,167.17

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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.