Home / 100,126.65-150,166.61-29,030.21

Finding the Fourth Proportional to 100,126.65, 150,166.61 and 29,030.21

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Solution

The fourth proportional to 100,126.65, 150,166.61 and 29,030.21 is: 43,538.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,126.65 : 150,166.61 = 29,030.21 : x
  2. Step 2: Convert to fraction form
    100,126.65/150,166.61 = 29,030.21/x
  3. Step 3: Cross multiply
    100,126.65x = 150,166.61 × 29,030.21
  4. Step 4: Simplify right side
    100,126.65x = 4,359,367,327.30
  5. Step 5: Solve for x
    x = 4,359,367,327.30/100,126.65
  6. Step 6: Final answer
    x = 43,538.53

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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.