Home / 90,528.40-135,739.96-60,576.86

Finding the Fourth Proportional to 90,528.40, 135,739.96 and 60,576.86

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Solution

The fourth proportional to 90,528.40, 135,739.96 and 60,576.86 is: 90,830.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,528.40 : 135,739.96 = 60,576.86 : x
  2. Step 2: Convert to fraction form
    90,528.40/135,739.96 = 60,576.86/x
  3. Step 3: Cross multiply
    90,528.40x = 135,739.96 × 60,576.86
  4. Step 4: Simplify right side
    90,528.40x = 8,222,700,553.33
  5. Step 5: Solve for x
    x = 8,222,700,553.33/90,528.40
  6. Step 6: Final answer
    x = 90,830.07

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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.