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Finding the Fourth Proportional to 168,358.80, 252,360.66 and 56,008.92

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Solution

The fourth proportional to 168,358.80, 252,360.66 and 56,008.92 is: 83,954.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,358.80 : 252,360.66 = 56,008.92 : x
  2. Step 2: Convert to fraction form
    168,358.80/252,360.66 = 56,008.92/x
  3. Step 3: Cross multiply
    168,358.80x = 252,360.66 × 56,008.92
  4. Step 4: Simplify right side
    168,358.80x = 14,134,448,017.09
  5. Step 5: Solve for x
    x = 14,134,448,017.09/168,358.80
  6. Step 6: Final answer
    x = 83,954.32

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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.