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Finding the Fourth Proportional to 168,727.24, 232,834.50 and 93,271.24

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Solution

The fourth proportional to 168,727.24, 232,834.50 and 93,271.24 is: 128,709.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,727.24 : 232,834.50 = 93,271.24 : x
  2. Step 2: Convert to fraction form
    168,727.24/232,834.50 = 93,271.24/x
  3. Step 3: Cross multiply
    168,727.24x = 232,834.50 × 93,271.24
  4. Step 4: Simplify right side
    168,727.24x = 21,716,762,529.78
  5. Step 5: Solve for x
    x = 21,716,762,529.78/168,727.24
  6. Step 6: Final answer
    x = 128,709.29

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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.