Home / 132,568.94-182,948.51-72,142.86

Finding the Fourth Proportional to 132,568.94, 182,948.51 and 72,142.86

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Solution

The fourth proportional to 132,568.94, 182,948.51 and 72,142.86 is: 99,558.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,568.94 : 182,948.51 = 72,142.86 : x
  2. Step 2: Convert to fraction form
    132,568.94/182,948.51 = 72,142.86/x
  3. Step 3: Cross multiply
    132,568.94x = 182,948.51 × 72,142.86
  4. Step 4: Simplify right side
    132,568.94x = 13,198,428,744.14
  5. Step 5: Solve for x
    x = 13,198,428,744.14/132,568.94
  6. Step 6: Final answer
    x = 99,558.98

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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.