Home / 110,920.10-166,380.15-40,790.30

Finding the Fourth Proportional to 110,920.10, 166,380.15 and 40,790.30

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Solution

The fourth proportional to 110,920.10, 166,380.15 and 40,790.30 is: 61,185.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,920.10 : 166,380.15 = 40,790.30 : x
  2. Step 2: Convert to fraction form
    110,920.10/166,380.15 = 40,790.30/x
  3. Step 3: Cross multiply
    110,920.10x = 166,380.15 × 40,790.30
  4. Step 4: Simplify right side
    110,920.10x = 6,786,696,232.55
  5. Step 5: Solve for x
    x = 6,786,696,232.55/110,920.10
  6. Step 6: Final answer
    x = 61,185.45

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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.