Home / 135,047.27-186,374.01-74,617.92

Finding the Fourth Proportional to 135,047.27, 186,374.01 and 74,617.92

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Solution

The fourth proportional to 135,047.27, 186,374.01 and 74,617.92 is: 102,977.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,047.27 : 186,374.01 = 74,617.92 : x
  2. Step 2: Convert to fraction form
    135,047.27/186,374.01 = 74,617.92/x
  3. Step 3: Cross multiply
    135,047.27x = 186,374.01 × 74,617.92
  4. Step 4: Simplify right side
    135,047.27x = 13,906,840,968.26
  5. Step 5: Solve for x
    x = 13,906,840,968.26/135,047.27
  6. Step 6: Final answer
    x = 102,977.58

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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.