Home / 132,016.42-197,737.80-81,260.74

Finding the Fourth Proportional to 132,016.42, 197,737.80 and 81,260.74

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Solution

The fourth proportional to 132,016.42, 197,737.80 and 81,260.74 is: 121,714.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,016.42 : 197,737.80 = 81,260.74 : x
  2. Step 2: Convert to fraction form
    132,016.42/197,737.80 = 81,260.74/x
  3. Step 3: Cross multiply
    132,016.42x = 197,737.80 × 81,260.74
  4. Step 4: Simplify right side
    132,016.42x = 16,068,319,953.97
  5. Step 5: Solve for x
    x = 16,068,319,953.97/132,016.42
  6. Step 6: Final answer
    x = 121,714.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.