Home / 174,439.80-261,659.70-90,199.80

Finding the Fourth Proportional to 174,439.80, 261,659.70 and 90,199.80

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Solution

The fourth proportional to 174,439.80, 261,659.70 and 90,199.80 is: 135,299.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,439.80 : 261,659.70 = 90,199.80 : x
  2. Step 2: Convert to fraction form
    174,439.80/261,659.70 = 90,199.80/x
  3. Step 3: Cross multiply
    174,439.80x = 261,659.70 × 90,199.80
  4. Step 4: Simplify right side
    174,439.80x = 23,601,652,608.06
  5. Step 5: Solve for x
    x = 23,601,652,608.06/174,439.80
  6. Step 6: Final answer
    x = 135,299.70

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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.