Home / 99,733.08-137,631.78-54,410.92

Finding the Fourth Proportional to 99,733.08, 137,631.78 and 54,410.92

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Solution

The fourth proportional to 99,733.08, 137,631.78 and 54,410.92 is: 75,087.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,733.08 : 137,631.78 = 54,410.92 : x
  2. Step 2: Convert to fraction form
    99,733.08/137,631.78 = 54,410.92/x
  3. Step 3: Cross multiply
    99,733.08x = 137,631.78 × 54,410.92
  4. Step 4: Simplify right side
    99,733.08x = 7,488,671,771.04
  5. Step 5: Solve for x
    x = 7,488,671,771.04/99,733.08
  6. Step 6: Final answer
    x = 75,087.14

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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.