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Finding the Fourth Proportional to 124,558.72, 186,843.84 and 35,810.24

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Solution

The fourth proportional to 124,558.72, 186,843.84 and 35,810.24 is: 53,717.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,558.72 : 186,843.84 = 35,810.24 : x
  2. Step 2: Convert to fraction form
    124,558.72/186,843.84 = 35,810.24/x
  3. Step 3: Cross multiply
    124,558.72x = 186,843.84 × 35,810.24
  4. Step 4: Simplify right side
    124,558.72x = 6,690,922,752.92
  5. Step 5: Solve for x
    x = 6,690,922,752.92/124,558.72
  6. Step 6: Final answer
    x = 53,717.02

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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.