Home / 90,791.10-136,186.65-44,135.10

Finding the Fourth Proportional to 90,791.10, 136,186.65 and 44,135.10

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Solution

The fourth proportional to 90,791.10, 136,186.65 and 44,135.10 is: 66,202.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,791.10 : 136,186.65 = 44,135.10 : x
  2. Step 2: Convert to fraction form
    90,791.10/136,186.65 = 44,135.10/x
  3. Step 3: Cross multiply
    90,791.10x = 136,186.65 × 44,135.10
  4. Step 4: Simplify right side
    90,791.10x = 6,010,611,416.42
  5. Step 5: Solve for x
    x = 6,010,611,416.42/90,791.10
  6. Step 6: Final answer
    x = 66,202.65

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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.