Home / 132,512.37-182,865.29-72,081.74

Finding the Fourth Proportional to 132,512.37, 182,865.29 and 72,081.74

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Solution

The fourth proportional to 132,512.37, 182,865.29 and 72,081.74 is: 99,471.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,512.37 : 182,865.29 = 72,081.74 : x
  2. Step 2: Convert to fraction form
    132,512.37/182,865.29 = 72,081.74/x
  3. Step 3: Cross multiply
    132,512.37x = 182,865.29 × 72,081.74
  4. Step 4: Simplify right side
    132,512.37x = 13,181,247,014.07
  5. Step 5: Solve for x
    x = 13,181,247,014.07/132,512.37
  6. Step 6: Final answer
    x = 99,471.82

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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.