Home / 90,369.26-135,561.72-23,808.86

Finding the Fourth Proportional to 90,369.26, 135,561.72 and 23,808.86

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Solution

The fourth proportional to 90,369.26, 135,561.72 and 23,808.86 is: 35,715.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,369.26 : 135,561.72 = 23,808.86 : x
  2. Step 2: Convert to fraction form
    90,369.26/135,561.72 = 23,808.86/x
  3. Step 3: Cross multiply
    90,369.26x = 135,561.72 × 23,808.86
  4. Step 4: Simplify right side
    90,369.26x = 3,227,570,012.84
  5. Step 5: Solve for x
    x = 3,227,570,012.84/90,369.26
  6. Step 6: Final answer
    x = 35,715.35

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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.