Home / 126,505.13-189,593.06-51,537.47

Finding the Fourth Proportional to 126,505.13, 189,593.06 and 51,537.47

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Solution

The fourth proportional to 126,505.13, 189,593.06 and 51,537.47 is: 77,239.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,505.13 : 189,593.06 = 51,537.47 : x
  2. Step 2: Convert to fraction form
    126,505.13/189,593.06 = 51,537.47/x
  3. Step 3: Cross multiply
    126,505.13x = 189,593.06 × 51,537.47
  4. Step 4: Simplify right side
    126,505.13x = 9,771,145,436.31
  5. Step 5: Solve for x
    x = 9,771,145,436.31/126,505.13
  6. Step 6: Final answer
    x = 77,239.13

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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.