Home / 128,150.29-192,210.85-34,648.75

Finding the Fourth Proportional to 128,150.29, 192,210.85 and 34,648.75

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Solution

The fourth proportional to 128,150.29, 192,210.85 and 34,648.75 is: 51,969.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,150.29 : 192,210.85 = 34,648.75 : x
  2. Step 2: Convert to fraction form
    128,150.29/192,210.85 = 34,648.75/x
  3. Step 3: Cross multiply
    128,150.29x = 192,210.85 × 34,648.75
  4. Step 4: Simplify right side
    128,150.29x = 6,659,865,688.94
  5. Step 5: Solve for x
    x = 6,659,865,688.94/128,150.29
  6. Step 6: Final answer
    x = 51,969.18

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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.