Home / 132,352.74-182,627.37-78,640.02

Finding the Fourth Proportional to 132,352.74, 182,627.37 and 78,640.02

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Solution

The fourth proportional to 132,352.74, 182,627.37 and 78,640.02 is: 108,511.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,352.74 : 182,627.37 = 78,640.02 : x
  2. Step 2: Convert to fraction form
    132,352.74/182,627.37 = 78,640.02/x
  3. Step 3: Cross multiply
    132,352.74x = 182,627.37 × 78,640.02
  4. Step 4: Simplify right side
    132,352.74x = 14,361,820,029.35
  5. Step 5: Solve for x
    x = 14,361,820,029.35/132,352.74
  6. Step 6: Final answer
    x = 108,511.69

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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.