Home / 132,018.40-182,067.24-103,674.88

Finding the Fourth Proportional to 132,018.40, 182,067.24 and 103,674.88

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Solution

The fourth proportional to 132,018.40, 182,067.24 and 103,674.88 is: 142,978.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,018.40 : 182,067.24 = 103,674.88 : x
  2. Step 2: Convert to fraction form
    132,018.40/182,067.24 = 103,674.88/x
  3. Step 3: Cross multiply
    132,018.40x = 182,067.24 × 103,674.88
  4. Step 4: Simplify right side
    132,018.40x = 18,875,799,258.93
  5. Step 5: Solve for x
    x = 18,875,799,258.93/132,018.40
  6. Step 6: Final answer
    x = 142,978.55

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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.