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Finding the Fourth Proportional to 110,519, 165,847.08 and 40,404.32

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Solution

The fourth proportional to 110,519, 165,847.08 and 40,404.32 is: 60,631.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,519 : 165,847.08 = 40,404.32 : x
  2. Step 2: Convert to fraction form
    110,519/165,847.08 = 40,404.32/x
  3. Step 3: Cross multiply
    110,519x = 165,847.08 × 40,404.32
  4. Step 4: Simplify right side
    110,519x = 6,700,938,491.39
  5. Step 5: Solve for x
    x = 6,700,938,491.39/110,519
  6. Step 6: Final answer
    x = 60,631.55

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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.