Home / 132,164.21-182,386.15-71,734.86

Finding the Fourth Proportional to 132,164.21, 182,386.15 and 71,734.86

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Solution

The fourth proportional to 132,164.21, 182,386.15 and 71,734.86 is: 98,993.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,164.21 : 182,386.15 = 71,734.86 : x
  2. Step 2: Convert to fraction form
    132,164.21/182,386.15 = 71,734.86/x
  3. Step 3: Cross multiply
    132,164.21x = 182,386.15 × 71,734.86
  4. Step 4: Simplify right side
    132,164.21x = 13,083,444,024.26
  5. Step 5: Solve for x
    x = 13,083,444,024.26/132,164.21
  6. Step 6: Final answer
    x = 98,993.85

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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.