Home / 126,554.47-189,766.98-42,284.23

Finding the Fourth Proportional to 126,554.47, 189,766.98 and 42,284.23

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Solution

The fourth proportional to 126,554.47, 189,766.98 and 42,284.23 is: 63,404.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,554.47 : 189,766.98 = 42,284.23 : x
  2. Step 2: Convert to fraction form
    126,554.47/189,766.98 = 42,284.23/x
  3. Step 3: Cross multiply
    126,554.47x = 189,766.98 × 42,284.23
  4. Step 4: Simplify right side
    126,554.47x = 8,024,150,628.73
  5. Step 5: Solve for x
    x = 8,024,150,628.73/126,554.47
  6. Step 6: Final answer
    x = 63,404.72

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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.