Home / 89,515.23-134,269.39-30,350.91

Finding the Fourth Proportional to 89,515.23, 134,269.39 and 30,350.91

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Solution

The fourth proportional to 89,515.23, 134,269.39 and 30,350.91 is: 45,525.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,515.23 : 134,269.39 = 30,350.91 : x
  2. Step 2: Convert to fraction form
    89,515.23/134,269.39 = 30,350.91/x
  3. Step 3: Cross multiply
    89,515.23x = 134,269.39 × 30,350.91
  4. Step 4: Simplify right side
    89,515.23x = 4,075,198,171.64
  5. Step 5: Solve for x
    x = 4,075,198,171.64/89,515.23
  6. Step 6: Final answer
    x = 45,525.19

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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.