Home / 90,421.62-135,638.94-23,860.98

Finding the Fourth Proportional to 90,421.62, 135,638.94 and 23,860.98

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Solution

The fourth proportional to 90,421.62, 135,638.94 and 23,860.98 is: 35,793.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,421.62 : 135,638.94 = 23,860.98 : x
  2. Step 2: Convert to fraction form
    90,421.62/135,638.94 = 23,860.98/x
  3. Step 3: Cross multiply
    90,421.62x = 135,638.94 × 23,860.98
  4. Step 4: Simplify right side
    90,421.62x = 3,236,478,034.56
  5. Step 5: Solve for x
    x = 3,236,478,034.56/90,421.62
  6. Step 6: Final answer
    x = 35,793.19

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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.