Home / 126,069.24-189,103.98-72,842.24

Finding the Fourth Proportional to 126,069.24, 189,103.98 and 72,842.24

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Solution

The fourth proportional to 126,069.24, 189,103.98 and 72,842.24 is: 109,263.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,069.24 : 189,103.98 = 72,842.24 : x
  2. Step 2: Convert to fraction form
    126,069.24/189,103.98 = 72,842.24/x
  3. Step 3: Cross multiply
    126,069.24x = 189,103.98 × 72,842.24
  4. Step 4: Simplify right side
    126,069.24x = 13,774,757,496.12
  5. Step 5: Solve for x
    x = 13,774,757,496.12/126,069.24
  6. Step 6: Final answer
    x = 109,263.43

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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.