Home / 100,166.42-150,264.21-30,051.20

Finding the Fourth Proportional to 100,166.42, 150,264.21 and 30,051.20

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Solution

The fourth proportional to 100,166.42, 150,264.21 and 30,051.20 is: 45,081.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,166.42 : 150,264.21 = 30,051.20 : x
  2. Step 2: Convert to fraction form
    100,166.42/150,264.21 = 30,051.20/x
  3. Step 3: Cross multiply
    100,166.42x = 150,264.21 × 30,051.20
  4. Step 4: Simplify right side
    100,166.42x = 4,515,620,315.90
  5. Step 5: Solve for x
    x = 4,515,620,315.90/100,166.42
  6. Step 6: Final answer
    x = 45,081.18

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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.