Home / 90,176.88-135,277.65-37,574.09

Finding the Fourth Proportional to 90,176.88, 135,277.65 and 37,574.09

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Solution

The fourth proportional to 90,176.88, 135,277.65 and 37,574.09 is: 56,366.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,176.88 : 135,277.65 = 37,574.09 : x
  2. Step 2: Convert to fraction form
    90,176.88/135,277.65 = 37,574.09/x
  3. Step 3: Cross multiply
    90,176.88x = 135,277.65 × 37,574.09
  4. Step 4: Simplify right side
    90,176.88x = 5,082,933,919.70
  5. Step 5: Solve for x
    x = 5,082,933,919.70/90,176.88
  6. Step 6: Final answer
    x = 56,366.27

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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.