Home / 136,356.21-204,548.31-52,187.18

Finding the Fourth Proportional to 136,356.21, 204,548.31 and 52,187.18

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Solution

The fourth proportional to 136,356.21, 204,548.31 and 52,187.18 is: 78,286.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,356.21 : 204,548.31 = 52,187.18 : x
  2. Step 2: Convert to fraction form
    136,356.21/204,548.31 = 52,187.18/x
  3. Step 3: Cross multiply
    136,356.21x = 204,548.31 × 52,187.18
  4. Step 4: Simplify right side
    136,356.21x = 10,674,798,449.92
  5. Step 5: Solve for x
    x = 10,674,798,449.92/136,356.21
  6. Step 6: Final answer
    x = 78,286.12

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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.