Home / 135,324.10-186,742.62-74,897.32

Finding the Fourth Proportional to 135,324.10, 186,742.62 and 74,897.32

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Solution

The fourth proportional to 135,324.10, 186,742.62 and 74,897.32 is: 103,355.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,324.10 : 186,742.62 = 74,897.32 : x
  2. Step 2: Convert to fraction form
    135,324.10/186,742.62 = 74,897.32/x
  3. Step 3: Cross multiply
    135,324.10x = 186,742.62 × 74,897.32
  4. Step 4: Simplify right side
    135,324.10x = 13,986,521,767.78
  5. Step 5: Solve for x
    x = 13,986,521,767.78/135,324.10
  6. Step 6: Final answer
    x = 103,355.73

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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.