Home / 90,280.96-135,421.30-27,101.02

Finding the Fourth Proportional to 90,280.96, 135,421.30 and 27,101.02

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Solution

The fourth proportional to 90,280.96, 135,421.30 and 27,101.02 is: 40,651.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,280.96 : 135,421.30 = 27,101.02 : x
  2. Step 2: Convert to fraction form
    90,280.96/135,421.30 = 27,101.02/x
  3. Step 3: Cross multiply
    90,280.96x = 135,421.30 × 27,101.02
  4. Step 4: Simplify right side
    90,280.96x = 3,670,055,359.73
  5. Step 5: Solve for x
    x = 3,670,055,359.73/90,280.96
  6. Step 6: Final answer
    x = 40,651.49

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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.