Home / 123,701.64-185,409.01-57,001.65

Finding the Fourth Proportional to 123,701.64, 185,409.01 and 57,001.65

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Solution

The fourth proportional to 123,701.64, 185,409.01 and 57,001.65 is: 85,436.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,701.64 : 185,409.01 = 57,001.65 : x
  2. Step 2: Convert to fraction form
    123,701.64/185,409.01 = 57,001.65/x
  3. Step 3: Cross multiply
    123,701.64x = 185,409.01 × 57,001.65
  4. Step 4: Simplify right side
    123,701.64x = 10,568,619,494.87
  5. Step 5: Solve for x
    x = 10,568,619,494.87/123,701.64
  6. Step 6: Final answer
    x = 85,436.37

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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.