Home / 135,020.37-186,327.23-74,594.91

Finding the Fourth Proportional to 135,020.37, 186,327.23 and 74,594.91

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Solution

The fourth proportional to 135,020.37, 186,327.23 and 74,594.91 is: 102,940.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,020.37 : 186,327.23 = 74,594.91 : x
  2. Step 2: Convert to fraction form
    135,020.37/186,327.23 = 74,594.91/x
  3. Step 3: Cross multiply
    135,020.37x = 186,327.23 × 74,594.91
  4. Step 4: Simplify right side
    135,020.37x = 13,899,062,579.42
  5. Step 5: Solve for x
    x = 13,899,062,579.42/135,020.37
  6. Step 6: Final answer
    x = 102,940.49

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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.