Home / 67,138.04-100,686.47-22,151.09

Finding the Fourth Proportional to 67,138.04, 100,686.47 and 22,151.09

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Solution

The fourth proportional to 67,138.04, 100,686.47 and 22,151.09 is: 33,219.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,138.04 : 100,686.47 = 22,151.09 : x
  2. Step 2: Convert to fraction form
    67,138.04/100,686.47 = 22,151.09/x
  3. Step 3: Cross multiply
    67,138.04x = 100,686.47 × 22,151.09
  4. Step 4: Simplify right side
    67,138.04x = 2,230,314,444.56
  5. Step 5: Solve for x
    x = 2,230,314,444.56/67,138.04
  6. Step 6: Final answer
    x = 33,219.83

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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.