Home / 242,520.92-334,682.33-139,171.95

Finding the Fourth Proportional to 242,520.92, 334,682.33 and 139,171.95

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Solution

The fourth proportional to 242,520.92, 334,682.33 and 139,171.95 is: 192,059.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,520.92 : 334,682.33 = 139,171.95 : x
  2. Step 2: Convert to fraction form
    242,520.92/334,682.33 = 139,171.95/x
  3. Step 3: Cross multiply
    242,520.92x = 334,682.33 × 139,171.95
  4. Step 4: Simplify right side
    242,520.92x = 46,578,392,496.64
  5. Step 5: Solve for x
    x = 46,578,392,496.64/242,520.92
  6. Step 6: Final answer
    x = 192,059.28

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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.