Home / 90,893.40-136,226.70-46,537.80

Finding the Fourth Proportional to 90,893.40, 136,226.70 and 46,537.80

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Solution

The fourth proportional to 90,893.40, 136,226.70 and 46,537.80 is: 69,748.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,893.40 : 136,226.70 = 46,537.80 : x
  2. Step 2: Convert to fraction form
    90,893.40/136,226.70 = 46,537.80/x
  3. Step 3: Cross multiply
    90,893.40x = 136,226.70 × 46,537.80
  4. Step 4: Simplify right side
    90,893.40x = 6,339,690,919.26
  5. Step 5: Solve for x
    x = 6,339,690,919.26/90,893.40
  6. Step 6: Final answer
    x = 69,748.64

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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.