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Finding the Fourth Proportional to 134,792.10, 202,188.15 and 119,628.90

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Solution

The fourth proportional to 134,792.10, 202,188.15 and 119,628.90 is: 179,443.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,792.10 : 202,188.15 = 119,628.90 : x
  2. Step 2: Convert to fraction form
    134,792.10/202,188.15 = 119,628.90/x
  3. Step 3: Cross multiply
    134,792.10x = 202,188.15 × 119,628.90
  4. Step 4: Simplify right side
    134,792.10x = 24,187,545,977.54
  5. Step 5: Solve for x
    x = 24,187,545,977.54/134,792.10
  6. Step 6: Final answer
    x = 179,443.35

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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.