Home / 187,367.16-281,054.40-68,977.56

Finding the Fourth Proportional to 187,367.16, 281,054.40 and 68,977.56

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Solution

The fourth proportional to 187,367.16, 281,054.40 and 68,977.56 is: 103,467.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,367.16 : 281,054.40 = 68,977.56 : x
  2. Step 2: Convert to fraction form
    187,367.16/281,054.40 = 68,977.56/x
  3. Step 3: Cross multiply
    187,367.16x = 281,054.40 × 68,977.56
  4. Step 4: Simplify right side
    187,367.16x = 19,386,446,739.26
  5. Step 5: Solve for x
    x = 19,386,446,739.26/187,367.16
  6. Step 6: Final answer
    x = 103,467.69

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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.