Home / 126,655.08-189,921.25-51,745.47

Finding the Fourth Proportional to 126,655.08, 189,921.25 and 51,745.47

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Solution

The fourth proportional to 126,655.08, 189,921.25 and 51,745.47 is: 77,593.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,655.08 : 189,921.25 = 51,745.47 : x
  2. Step 2: Convert to fraction form
    126,655.08/189,921.25 = 51,745.47/x
  3. Step 3: Cross multiply
    126,655.08x = 189,921.25 × 51,745.47
  4. Step 4: Simplify right side
    126,655.08x = 9,827,564,344.24
  5. Step 5: Solve for x
    x = 9,827,564,344.24/126,655.08
  6. Step 6: Final answer
    x = 77,593.13

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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.