Home / 99,218.92-136,924.26-54,509.80

Finding the Fourth Proportional to 99,218.92, 136,924.26 and 54,509.80

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Solution

The fourth proportional to 99,218.92, 136,924.26 and 54,509.80 is: 75,224.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,218.92 : 136,924.26 = 54,509.80 : x
  2. Step 2: Convert to fraction form
    99,218.92/136,924.26 = 54,509.80/x
  3. Step 3: Cross multiply
    99,218.92x = 136,924.26 × 54,509.80
  4. Step 4: Simplify right side
    99,218.92x = 7,463,714,027.75
  5. Step 5: Solve for x
    x = 7,463,714,027.75/99,218.92
  6. Step 6: Final answer
    x = 75,224.71

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1.5x scale

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.