Home / 102,134.82-153,206.34-35,581.68

Finding the Fourth Proportional to 102,134.82, 153,206.34 and 35,581.68

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Solution

The fourth proportional to 102,134.82, 153,206.34 and 35,581.68 is: 53,373.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,134.82 : 153,206.34 = 35,581.68 : x
  2. Step 2: Convert to fraction form
    102,134.82/153,206.34 = 35,581.68/x
  3. Step 3: Cross multiply
    102,134.82x = 153,206.34 × 35,581.68
  4. Step 4: Simplify right side
    102,134.82x = 5,451,338,963.85
  5. Step 5: Solve for x
    x = 5,451,338,963.85/102,134.82
  6. Step 6: Final answer
    x = 53,373.95

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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.