Home / 132,110.46-182,231.80-78,359.48

Finding the Fourth Proportional to 132,110.46, 182,231.80 and 78,359.48

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Solution

The fourth proportional to 132,110.46, 182,231.80 and 78,359.48 is: 108,088.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,110.46 : 182,231.80 = 78,359.48 : x
  2. Step 2: Convert to fraction form
    132,110.46/182,231.80 = 78,359.48/x
  3. Step 3: Cross multiply
    132,110.46x = 182,231.80 × 78,359.48
  4. Step 4: Simplify right side
    132,110.46x = 14,279,589,087.46
  5. Step 5: Solve for x
    x = 14,279,589,087.46/132,110.46
  6. Step 6: Final answer
    x = 108,088.25

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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.