Home / 132,308.40-182,581.38-75,718.56

Finding the Fourth Proportional to 132,308.40, 182,581.38 and 75,718.56

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Solution

The fourth proportional to 132,308.40, 182,581.38 and 75,718.56 is: 104,489.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,308.40 : 182,581.38 = 75,718.56 : x
  2. Step 2: Convert to fraction form
    132,308.40/182,581.38 = 75,718.56/x
  3. Step 3: Cross multiply
    132,308.40x = 182,581.38 × 75,718.56
  4. Step 4: Simplify right side
    132,308.40x = 13,824,799,176.41
  5. Step 5: Solve for x
    x = 13,824,799,176.41/132,308.40
  6. Step 6: Final answer
    x = 104,489.20

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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.