Home / 135,039.20-202,558.80-46,280.80

Finding the Fourth Proportional to 135,039.20, 202,558.80 and 46,280.80

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Solution

The fourth proportional to 135,039.20, 202,558.80 and 46,280.80 is: 69,421.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,039.20 : 202,558.80 = 46,280.80 : x
  2. Step 2: Convert to fraction form
    135,039.20/202,558.80 = 46,280.80/x
  3. Step 3: Cross multiply
    135,039.20x = 202,558.80 × 46,280.80
  4. Step 4: Simplify right side
    135,039.20x = 9,374,583,311.04
  5. Step 5: Solve for x
    x = 9,374,583,311.04/135,039.20
  6. Step 6: Final answer
    x = 69,421.20

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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.