Home / 132,568.46-182,944.84-72,139.10

Finding the Fourth Proportional to 132,568.46, 182,944.84 and 72,139.10

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Solution

The fourth proportional to 132,568.46, 182,944.84 and 72,139.10 is: 99,552.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,568.46 : 182,944.84 = 72,139.10 : x
  2. Step 2: Convert to fraction form
    132,568.46/182,944.84 = 72,139.10/x
  3. Step 3: Cross multiply
    132,568.46x = 182,944.84 × 72,139.10
  4. Step 4: Simplify right side
    132,568.46x = 13,197,476,107.24
  5. Step 5: Solve for x
    x = 13,197,476,107.24/132,568.46
  6. Step 6: Final answer
    x = 99,552.16

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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.