Home / 90,184.39-135,295.03-31,012.37

Finding the Fourth Proportional to 90,184.39, 135,295.03 and 31,012.37

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Solution

The fourth proportional to 90,184.39, 135,295.03 and 31,012.37 is: 46,524.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,184.39 : 135,295.03 = 31,012.37 : x
  2. Step 2: Convert to fraction form
    90,184.39/135,295.03 = 31,012.37/x
  3. Step 3: Cross multiply
    90,184.39x = 135,295.03 × 31,012.37
  4. Step 4: Simplify right side
    90,184.39x = 4,195,819,529.52
  5. Step 5: Solve for x
    x = 4,195,819,529.52/90,184.39
  6. Step 6: Final answer
    x = 46,524.90

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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.