Home / 166,265.56-249,553.86-82,120.74

Finding the Fourth Proportional to 166,265.56, 249,553.86 and 82,120.74

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Solution

The fourth proportional to 166,265.56, 249,553.86 and 82,120.74 is: 123,257.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,265.56 : 249,553.86 = 82,120.74 : x
  2. Step 2: Convert to fraction form
    166,265.56/249,553.86 = 82,120.74/x
  3. Step 3: Cross multiply
    166,265.56x = 249,553.86 × 82,120.74
  4. Step 4: Simplify right side
    166,265.56x = 20,493,547,653.06
  5. Step 5: Solve for x
    x = 20,493,547,653.06/166,265.56
  6. Step 6: Final answer
    x = 123,257.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.