Home / 126,506.13-189,594.56-51,538.47

Finding the Fourth Proportional to 126,506.13, 189,594.56 and 51,538.47

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Solution

The fourth proportional to 126,506.13, 189,594.56 and 51,538.47 is: 77,240.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,506.13 : 189,594.56 = 51,538.47 : x
  2. Step 2: Convert to fraction form
    126,506.13/189,594.56 = 51,538.47/x
  3. Step 3: Cross multiply
    126,506.13x = 189,594.56 × 51,538.47
  4. Step 4: Simplify right side
    126,506.13x = 9,771,412,337.06
  5. Step 5: Solve for x
    x = 9,771,412,337.06/126,506.13
  6. Step 6: Final answer
    x = 77,240.63

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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.