Home / 132,507.32-182,863.44-72,081.36

Finding the Fourth Proportional to 132,507.32, 182,863.44 and 72,081.36

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Solution

The fourth proportional to 132,507.32, 182,863.44 and 72,081.36 is: 99,474.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,507.32 : 182,863.44 = 72,081.36 : x
  2. Step 2: Convert to fraction form
    132,507.32/182,863.44 = 72,081.36/x
  3. Step 3: Cross multiply
    132,507.32x = 182,863.44 × 72,081.36
  4. Step 4: Simplify right side
    132,507.32x = 13,181,045,449.48
  5. Step 5: Solve for x
    x = 13,181,045,449.48/132,507.32
  6. Step 6: Final answer
    x = 99,474.09

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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.