Home / 123,837.36-170,939.16-73,536

Finding the Fourth Proportional to 123,837.36, 170,939.16 and 73,536

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Solution

The fourth proportional to 123,837.36, 170,939.16 and 73,536 is: 101,505.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,837.36 : 170,939.16 = 73,536 : x
  2. Step 2: Convert to fraction form
    123,837.36/170,939.16 = 73,536/x
  3. Step 3: Cross multiply
    123,837.36x = 170,939.16 × 73,536
  4. Step 4: Simplify right side
    123,837.36x = 12,570,182,069.76
  5. Step 5: Solve for x
    x = 12,570,182,069.76/123,837.36
  6. Step 6: Final answer
    x = 101,505.57

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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.