Home / 126,833.28-175,028.16-73,118.40

Finding the Fourth Proportional to 126,833.28, 175,028.16 and 73,118.40

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Solution

The fourth proportional to 126,833.28, 175,028.16 and 73,118.40 is: 100,902.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,833.28 : 175,028.16 = 73,118.40 : x
  2. Step 2: Convert to fraction form
    126,833.28/175,028.16 = 73,118.40/x
  3. Step 3: Cross multiply
    126,833.28x = 175,028.16 × 73,118.40
  4. Step 4: Simplify right side
    126,833.28x = 12,797,779,014.14
  5. Step 5: Solve for x
    x = 12,797,779,014.14/126,833.28
  6. Step 6: Final answer
    x = 100,902.37

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1.5x scale

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.