Home / 100,126.40-150,166.23-29,029.95

Finding the Fourth Proportional to 100,126.40, 150,166.23 and 29,029.95

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Solution

The fourth proportional to 100,126.40, 150,166.23 and 29,029.95 is: 43,538.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,126.40 : 150,166.23 = 29,029.95 : x
  2. Step 2: Convert to fraction form
    100,126.40/150,166.23 = 29,029.95/x
  3. Step 3: Cross multiply
    100,126.40x = 150,166.23 × 29,029.95
  4. Step 4: Simplify right side
    100,126.40x = 4,359,318,148.59
  5. Step 5: Solve for x
    x = 4,359,318,148.59/100,126.40
  6. Step 6: Final answer
    x = 43,538.15

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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.