Home / 90,764.04-136,099.26-40,801.44

Finding the Fourth Proportional to 90,764.04, 136,099.26 and 40,801.44

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Solution

The fourth proportional to 90,764.04, 136,099.26 and 40,801.44 is: 61,181.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,764.04 : 136,099.26 = 40,801.44 : x
  2. Step 2: Convert to fraction form
    90,764.04/136,099.26 = 40,801.44/x
  3. Step 3: Cross multiply
    90,764.04x = 136,099.26 × 40,801.44
  4. Step 4: Simplify right side
    90,764.04x = 5,553,045,790.93
  5. Step 5: Solve for x
    x = 5,553,045,790.93/90,764.04
  6. Step 6: Final answer
    x = 61,181.12

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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.