Home / 90,167.08-135,259.64-30,994.96

Finding the Fourth Proportional to 90,167.08, 135,259.64 and 30,994.96

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Solution

The fourth proportional to 90,167.08, 135,259.64 and 30,994.96 is: 46,495.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,167.08 : 135,259.64 = 30,994.96 : x
  2. Step 2: Convert to fraction form
    90,167.08/135,259.64 = 30,994.96/x
  3. Step 3: Cross multiply
    90,167.08x = 135,259.64 × 30,994.96
  4. Step 4: Simplify right side
    90,167.08x = 4,192,367,131.41
  5. Step 5: Solve for x
    x = 4,192,367,131.41/90,167.08
  6. Step 6: Final answer
    x = 46,495.54

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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.