Home / 132,564.09-182,935.45-72,134.91

Finding the Fourth Proportional to 132,564.09, 182,935.45 and 72,134.91

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Solution

The fourth proportional to 132,564.09, 182,935.45 and 72,134.91 is: 99,544.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,564.09 : 182,935.45 = 72,134.91 : x
  2. Step 2: Convert to fraction form
    132,564.09/182,935.45 = 72,134.91/x
  3. Step 3: Cross multiply
    132,564.09x = 182,935.45 × 72,134.91
  4. Step 4: Simplify right side
    132,564.09x = 13,196,032,221.56
  5. Step 5: Solve for x
    x = 13,196,032,221.56/132,564.09
  6. Step 6: Final answer
    x = 99,544.55

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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.