Home / 104,315.52-143,955.45-56,568.85

Finding the Fourth Proportional to 104,315.52, 143,955.45 and 56,568.85

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Solution

The fourth proportional to 104,315.52, 143,955.45 and 56,568.85 is: 78,065.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,315.52 : 143,955.45 = 56,568.85 : x
  2. Step 2: Convert to fraction form
    104,315.52/143,955.45 = 56,568.85/x
  3. Step 3: Cross multiply
    104,315.52x = 143,955.45 × 56,568.85
  4. Step 4: Simplify right side
    104,315.52x = 8,143,394,257.73
  5. Step 5: Solve for x
    x = 8,143,394,257.73/104,315.52
  6. Step 6: Final answer
    x = 78,065.03

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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.