Home / 126,177.28-189,284.89-40,759.63

Finding the Fourth Proportional to 126,177.28, 189,284.89 and 40,759.63

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Solution

The fourth proportional to 126,177.28, 189,284.89 and 40,759.63 is: 61,145.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,177.28 : 189,284.89 = 40,759.63 : x
  2. Step 2: Convert to fraction form
    126,177.28/189,284.89 = 40,759.63/x
  3. Step 3: Cross multiply
    126,177.28x = 189,284.89 × 40,759.63
  4. Step 4: Simplify right side
    126,177.28x = 7,715,182,080.99
  5. Step 5: Solve for x
    x = 7,715,182,080.99/126,177.28
  6. Step 6: Final answer
    x = 61,145.57

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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.