Home / 113,515.40-170,309.55-50,311.10

Finding the Fourth Proportional to 113,515.40, 170,309.55 and 50,311.10

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Solution

The fourth proportional to 113,515.40, 170,309.55 and 50,311.10 is: 75,482.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,515.40 : 170,309.55 = 50,311.10 : x
  2. Step 2: Convert to fraction form
    113,515.40/170,309.55 = 50,311.10/x
  3. Step 3: Cross multiply
    113,515.40x = 170,309.55 × 50,311.10
  4. Step 4: Simplify right side
    113,515.40x = 8,568,460,801.01
  5. Step 5: Solve for x
    x = 8,568,460,801.01/113,515.40
  6. Step 6: Final answer
    x = 75,482.80

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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.