Home / 179,757.07-248,069.95-99,189.78

Finding the Fourth Proportional to 179,757.07, 248,069.95 and 99,189.78

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Solution

The fourth proportional to 179,757.07, 248,069.95 and 99,189.78 is: 136,884.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,757.07 : 248,069.95 = 99,189.78 : x
  2. Step 2: Convert to fraction form
    179,757.07/248,069.95 = 99,189.78/x
  3. Step 3: Cross multiply
    179,757.07x = 248,069.95 × 99,189.78
  4. Step 4: Simplify right side
    179,757.07x = 24,606,003,269.16
  5. Step 5: Solve for x
    x = 24,606,003,269.16/179,757.07
  6. Step 6: Final answer
    x = 136,884.76

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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.