Home / 126,554.97-189,767.75-42,284.73

Finding the Fourth Proportional to 126,554.97, 189,767.75 and 42,284.73

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Solution

The fourth proportional to 126,554.97, 189,767.75 and 42,284.73 is: 63,405.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,554.97 : 189,767.75 = 42,284.73 : x
  2. Step 2: Convert to fraction form
    126,554.97/189,767.75 = 42,284.73/x
  3. Step 3: Cross multiply
    126,554.97x = 189,767.75 × 42,284.73
  4. Step 4: Simplify right side
    126,554.97x = 8,024,277,860.03
  5. Step 5: Solve for x
    x = 8,024,277,860.03/126,554.97
  6. Step 6: Final answer
    x = 63,405.47

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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.