Home / 180,099.26-270,139.10-91,350.45

Finding the Fourth Proportional to 180,099.26, 270,139.10 and 91,350.45

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Solution

The fourth proportional to 180,099.26, 270,139.10 and 91,350.45 is: 137,020.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,099.26 : 270,139.10 = 91,350.45 : x
  2. Step 2: Convert to fraction form
    180,099.26/270,139.10 = 91,350.45/x
  3. Step 3: Cross multiply
    180,099.26x = 270,139.10 × 91,350.45
  4. Step 4: Simplify right side
    180,099.26x = 24,677,327,890.84
  5. Step 5: Solve for x
    x = 24,677,327,890.84/180,099.26
  6. Step 6: Final answer
    x = 137,020.71

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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.