Home / 123,760.41-170,760.09-70,045.43

Finding the Fourth Proportional to 123,760.41, 170,760.09 and 70,045.43

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Solution

The fourth proportional to 123,760.41, 170,760.09 and 70,045.43 is: 96,646.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,760.41 : 170,760.09 = 70,045.43 : x
  2. Step 2: Convert to fraction form
    123,760.41/170,760.09 = 70,045.43/x
  3. Step 3: Cross multiply
    123,760.41x = 170,760.09 × 70,045.43
  4. Step 4: Simplify right side
    123,760.41x = 11,960,963,930.89
  5. Step 5: Solve for x
    x = 11,960,963,930.89/123,760.41
  6. Step 6: Final answer
    x = 96,646.12

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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.