Home / 126,164.30-189,246.45-51,259.55

Finding the Fourth Proportional to 126,164.30, 189,246.45 and 51,259.55

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Solution

The fourth proportional to 126,164.30, 189,246.45 and 51,259.55 is: 76,889.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,164.30 : 189,246.45 = 51,259.55 : x
  2. Step 2: Convert to fraction form
    126,164.30/189,246.45 = 51,259.55/x
  3. Step 3: Cross multiply
    126,164.30x = 189,246.45 × 51,259.55
  4. Step 4: Simplify right side
    126,164.30x = 9,700,687,866.10
  5. Step 5: Solve for x
    x = 9,700,687,866.10/126,164.30
  6. Step 6: Final answer
    x = 76,889.33

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1.5x scale

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.