Home / 187,488.88-258,465.24-133,680.32

Finding the Fourth Proportional to 187,488.88, 258,465.24 and 133,680.32

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Solution

The fourth proportional to 187,488.88, 258,465.24 and 133,680.32 is: 184,286.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,488.88 : 258,465.24 = 133,680.32 : x
  2. Step 2: Convert to fraction form
    187,488.88/258,465.24 = 133,680.32/x
  3. Step 3: Cross multiply
    187,488.88x = 258,465.24 × 133,680.32
  4. Step 4: Simplify right side
    187,488.88x = 34,551,715,992.08
  5. Step 5: Solve for x
    x = 34,551,715,992.08/187,488.88
  6. Step 6: Final answer
    x = 184,286.75

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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.