Home / 132,112.07-182,314.04-71,682.56

Finding the Fourth Proportional to 132,112.07, 182,314.04 and 71,682.56

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Solution

The fourth proportional to 132,112.07, 182,314.04 and 71,682.56 is: 98,921.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,112.07 : 182,314.04 = 71,682.56 : x
  2. Step 2: Convert to fraction form
    132,112.07/182,314.04 = 71,682.56/x
  3. Step 3: Cross multiply
    132,112.07x = 182,314.04 × 71,682.56
  4. Step 4: Simplify right side
    132,112.07x = 13,068,735,841.16
  5. Step 5: Solve for x
    x = 13,068,735,841.16/132,112.07
  6. Step 6: Final answer
    x = 98,921.59

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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.