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Finding the Fourth Proportional to 110,521, 165,850.08 and 40,406.32

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Solution

The fourth proportional to 110,521, 165,850.08 and 40,406.32 is: 60,634.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,521 : 165,850.08 = 40,406.32 : x
  2. Step 2: Convert to fraction form
    110,521/165,850.08 = 40,406.32/x
  3. Step 3: Cross multiply
    110,521x = 165,850.08 × 40,406.32
  4. Step 4: Simplify right side
    110,521x = 6,701,391,404.51
  5. Step 5: Solve for x
    x = 6,701,391,404.51/110,521
  6. Step 6: Final answer
    x = 60,634.55

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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.