Home / 75,343.12-113,191.14-71,087.50

Finding the Fourth Proportional to 75,343.12, 113,191.14 and 71,087.50

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Solution

The fourth proportional to 75,343.12, 113,191.14 and 71,087.50 is: 106,797.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,343.12 : 113,191.14 = 71,087.50 : x
  2. Step 2: Convert to fraction form
    75,343.12/113,191.14 = 71,087.50/x
  3. Step 3: Cross multiply
    75,343.12x = 113,191.14 × 71,087.50
  4. Step 4: Simplify right side
    75,343.12x = 8,046,475,164.75
  5. Step 5: Solve for x
    x = 8,046,475,164.75/75,343.12
  6. Step 6: Final answer
    x = 106,797.74

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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.