Home / 154,932-232,496.30-66,186.15

Finding the Fourth Proportional to 154,932, 232,496.30 and 66,186.15

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Solution

The fourth proportional to 154,932, 232,496.30 and 66,186.15 is: 99,321.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,932 : 232,496.30 = 66,186.15 : x
  2. Step 2: Convert to fraction form
    154,932/232,496.30 = 66,186.15/x
  3. Step 3: Cross multiply
    154,932x = 232,496.30 × 66,186.15
  4. Step 4: Simplify right side
    154,932x = 15,388,034,986.25
  5. Step 5: Solve for x
    x = 15,388,034,986.25/154,932
  6. Step 6: Final answer
    x = 99,321.22

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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.