Home / 144,102.05-198,834.61-101,212.59

Finding the Fourth Proportional to 144,102.05, 198,834.61 and 101,212.59

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Solution

The fourth proportional to 144,102.05, 198,834.61 and 101,212.59 is: 139,654.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,102.05 : 198,834.61 = 101,212.59 : x
  2. Step 2: Convert to fraction form
    144,102.05/198,834.61 = 101,212.59/x
  3. Step 3: Cross multiply
    144,102.05x = 198,834.61 × 101,212.59
  4. Step 4: Simplify right side
    144,102.05x = 20,124,564,359.50
  5. Step 5: Solve for x
    x = 20,124,564,359.50/144,102.05
  6. Step 6: Final answer
    x = 139,654.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.