Home / 132,062.64-182,351.12-121,987.32

Finding the Fourth Proportional to 132,062.64, 182,351.12 and 121,987.32

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Solution

The fourth proportional to 132,062.64, 182,351.12 and 121,987.32 is: 168,439.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,062.64 : 182,351.12 = 121,987.32 : x
  2. Step 2: Convert to fraction form
    132,062.64/182,351.12 = 121,987.32/x
  3. Step 3: Cross multiply
    132,062.64x = 182,351.12 × 121,987.32
  4. Step 4: Simplify right side
    132,062.64x = 22,244,524,427.80
  5. Step 5: Solve for x
    x = 22,244,524,427.80/132,062.64
  6. Step 6: Final answer
    x = 168,439.19

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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.