Home / 123,837.57-170,896.50-70,133.04

Finding the Fourth Proportional to 123,837.57, 170,896.50 and 70,133.04

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Solution

The fourth proportional to 123,837.57, 170,896.50 and 70,133.04 is: 96,783.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,837.57 : 170,896.50 = 70,133.04 : x
  2. Step 2: Convert to fraction form
    123,837.57/170,896.50 = 70,133.04/x
  3. Step 3: Cross multiply
    123,837.57x = 170,896.50 × 70,133.04
  4. Step 4: Simplify right side
    123,837.57x = 11,985,491,070.36
  5. Step 5: Solve for x
    x = 11,985,491,070.36/123,837.57
  6. Step 6: Final answer
    x = 96,783.97

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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.